This readme.txt file was generated on <20200406> by ------------------- GENERAL INFORMATION ------------------- 1. Title of Dataset: Diagnostic accuracy of a bovine specific electronic beta-hydroxybutyrate hand-held meter in cow-side fresh blood and stored samples. 2. Author Information Principal Investigator Contact Information Name: Gerard Cramer Institution: University of Minnesota Address: Email: gcramer@umn.edu ORCID: https://orcid.org/0000-0003-2691-3417 Associate or Co-investigator Contact Information Name: Luciano Caixeta Institution: University of Minnesota Address: Email: lcaixeta@umn.edu ORCID: https://orcid.org/0000-0001-9577-4989 Associate or Co-investigator Contact Information Name: Zelmar Rodriguez Institution: University of Minnesota Address: Email: zrodrigu@umn.edu ORCID: https://orcid.org/0000-0002-7158-7350 3. Date of data collection: 20140601 to 20140901 4. Geographic location of data collection: Southeast Minnesota 5. Information about funding sources that supported the collection of the data: Minnesota Agricultural Experiment Station - Rapid Agricultural Response. Nova Biomedical. -------------------------- SHARING/ACCESS INFORMATION -------------------------- 1. Licenses/restrictions placed on the data: CC0 1.0 Universal 2. Links to publications that cite or use the data: 3. Links to other publicly accessible locations of the data: 4. Links/relationships to ancillary data sets: 5. Was data derived from another source? If yes, list source(s): 6. Recommended citation for the data: Rodriguez, Zelmar; Caixeta, Luciano; Cramer, Gerard. (2020). "Diagnostic accuracy of a bovine specific electronic beta-hydroxybutyrate handheld meter in fresh blood and stored serum samples". Retrieved from the Data Repository for the University of Minnesota, https://doi.org/10.13020/zn1k-5476. --------------------- DATA & FILE OVERVIEW --------------------- 1. File List A. Filename: ketometers.csv Short description: ID of cattle sampled, BHB concetration measurements using Nova Vet (nv), Precision Xtra (px), laboratory assay (lab), and Nova Vet in serum at five different slopes. B. Filename: repeatibility_NVet.csv Short description: BHB concentration measured 20 times in 3 cows with the Nova Vet meter at two differnt days and using different batches of testing strips. C. Filename: repeatibility_PXtra.csv Short description: BHB concentration measured 20 times in 3 cows with the Precision Xtra meter at two differnt days and using different batches of testing strips. D. Filename: interference.nv.csv Short description: BHB concentration measured with Nova Vet meter using tubes containing both anticoagulants LI-HEP and K-EDTA20, and without anticoagulant. E. Filename: interference.px.csv Short description: BHB concentration measured with Precision Xtra meter using tubes containing both anticoagulants LI-HEP and K-EDTA20, and without anticoagulant. 2. Relationship between files: interference.px and interference.nv are test using difernt devices but same animals. Idem for repeatibility_NVet.csv and repeatibility_PXtra.csv 3. Additional related data collected that was not included in the current data package: No 4. Are there multiple versions of the dataset? no -------------------------- METHODOLOGICAL INFORMATION -------------------------- 1. Description of methods used for collection/generation of data: NovaVet and Precision Xtra meters 2. Methods for processing the data: Data was collected in Excel and cleaned using R. 3. Instrument- or software-specific information needed to interpret the data: R software 4. Standards and calibration information, if appropriate: NA 5. Environmental/experimental conditions: NA 6. Describe any quality-assurance procedures performed on the data: Characteristcs per each diagnostic BHB meter based on laboratory assay, Bland Altman plots, Receiver Operating Characteristic curves, Concordance Correlation Coefficients, etc. 7. People involved with sample collection, processing, analysis and/or submission: MN DHIA provided information on participating farms. Summer and graduate students at the University of Minnesota sampling collection and preliminary data analysis. Authors processing, analysis and submission. ----------------------------------------- DATA-SPECIFIC INFORMATION FOR: ketometers.csv ----------------------------------------- 1. Number of variables: 9 2. Number of cases/rows: 199/200 3. Missing data codes: NA 4. Variable List A. CowID Description: Identification number of each animal B. pxtra Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra C. nv Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet D. lab Description: Each row represents a BHB (mmol/L) measurement with the laboratory assay. E. serum0.9 Description: Each row represents a BHB measurement (mmol/L) in serum using the Nova Vet at a different slope (i.e, 0.9) F. serum1.0 Description: Each row represents a BHB measurement (mmol/L) in serum using the Nova Vet at a different slope G. serum1.1 Description: Each row represents a BHB measurement (mmol/L) in serum using the Nova Vet at a different slope H. serum1.25 Description: Each row represents a BHB measurement (mmol/L) in serum using the Nova Vet at a different slope I. serum1.5 Description: Each row represents a BHB (mmol/L) measurement in serum using the Nova Vet at a different slope 5. Additional Information : Recommended calibration by the manufacturer NovaVet Manual (2013) p. 15 ----------------------------------------- DATA-SPECIFIC INFORMATION FOR: interference.nv ----------------------------------------- 1. Number of variables: 3 2. Number of cases/rows: 12/13 3. Missing data codes: NA 4. Variable List A. LiHep Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood collected into tubes containing Lithium Heparin. B. EDTA Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood collected into tubes containing EDTA. C. fresh Description: Each row represents a BHB (mmol/L) measurement using the Nova Vet in blood collected into tubes without anticoagulants. 5. Additional Information: Recommended calibration by the manufacturer NovaVet Manual (2013) p. 15 ----------------------------------------- DATA-SPECIFIC INFORMATION FOR: interference.px ----------------------------------------- 1. Number of variables: 3 2. Number of cases/rows: 12/13 3. Missing data codes: NA 4. Variable List A. LiHep Description: Each row represents a BHB (mmol/L) measurement using the Precision Xtra in blood collected into tubes containing Lithium Heparin. B. EDTA Description: Each row represents a BHB (mmol/L) measurement using the Precision Xtra in blood collected into tubes containing EDTA. C. fresh Description: Each row represents a BHB (mmol/L) measurement using the Precision Xtra in blood collected into tubes without anticoagulants. ----------------------------------------- DATA-SPECIFIC INFORMATION FOR: repeatibility_NVet ----------------------------------------- 1. Number of variables: 12 2. Number of cases/rows: 20/21 3. Missing data codes: NA 4. Variable List A. day1_cow1_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 1, cow 1, testing strip batch 1. B. day1_cow2_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 1, cow 2, testing strip batch 1. C. day1_cow3_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 1, cow 3, testing strip batch 1. D. day1_cow1_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 1, cow 1, testing strip batch 2. E. day1_cow2_batch2 Description: Each row represents a BHB m(mmol/L) easurement using the Nova Vet in blood at day 1, cow 2, testing strip batch 2. F. day1_cow3_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 1, cow 3, testing strip batch 2. G. day2_cow1_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 2, cow 1, testing strip batch 1. H. day2_cow2_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 2, cow 2, testing strip batch 1. I. day2_cow3_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 2, cow 3, testing strip batch 1. J. day2_cow1_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 2, cow 1, testing strip batch 2. K. day2_cow2_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 2, cow 2, testing strip batch 2. L. day2_cow3_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Nova Vet in blood at day 2, cow 3, testing strip batch 2. 5. Additional Information: Recommended calibration by the manufacturer NovaVet Manual (2013) p. 15 ----------------------------------------- DATA-SPECIFIC INFORMATION FOR: repeatibility_PXtra ----------------------------------------- 1. Number of variables: 12 2. Number of cases/rows: 20/21 3. Missing data codes: In day 2 the rows are 10/11 4. Variable List A. day1_cow1_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 1, cow 1, testing strip batch 1. B. day1_cow2_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 1, cow 2, testing strip batch 1. C. day1_cow3_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 1, cow 3, testing strip batch 1. D. day1_cow1_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 1, cow 1, testing strip batch 2. E. day1_cow2_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 1, cow 2, testing strip batch 2. F. day1_cow3_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 1, cow 3, testing strip batch 2. G. day2_cow1_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 2, cow 1, testing strip batch 1. H. day2_cow2_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 2, cow 2, testing strip batch 1. I. day2_cow3_batch1 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 2, cow 3, testing strip batch 1. J. day2_cow1_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 2, cow 1, testing strip batch 2. K. day2_cow2_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 2, cow 2, testing strip batch 2. L. day2_cow3_batch2 Description: Each row represents a BHB measurement (mmol/L) using the Precision Xtra in blood at day 2, cow 3, testing strip batch 2.