Table 3 Observed counts of paired test (n = 167 colostrum samples) outcomes per Brix cut-off using single radial immunodiffusion (RID) and Brix% refractometer (BRIX)
Brix cut-off | Test outcome RID/BRIX | |||
|---|---|---|---|---|
High/high | High/low | Low/high | Low/low | |
18 | 49 (29%) | 0 (0%) | 65 (39%) | 53 (32%) |
19 | 47 (28%) | 2 (1%) | 49 (29%) | 69 (41%) |
20 | 45 (27%) | 4 (2%) | 38 (23%) | 80 (48%) |
21 | 38 (23%) | 11 (7%) | 25 (15%) | 93 (56%) |
22 | 34 (20%) | 15 (9%) | 20 (12%) | 98 (59%) |
23 | 27 (16%) | 22 (13%) | 10 (6%) | 108 (65%) |
24 | 22 (13%) | 27 (16%) | 5 (3%) | 113 (68%) |