| Perceived milk intolerance | P-value †| Cut-off ǂ | Perceived milk intolerance (22/70 (31.4)) | P-value ‡ | ||
---|---|---|---|---|---|---|---|
 | Yes (n = 22) | No (n = 48) |  |  | Test positive | Test negative |  |
IgG total (μg/ml) (n = 69) | 9.77 (2.19) | 10.6 (2.08) | 0.143 |  |  |  |  |
IgG cow’s milk (μg/ml) | 15.1 (2.40–112) | 10.9 (2.40–117) | 0.713 | ≥ 7.5 ≥ 20 | 14/43 (32.6) 9/23 (39.1) | 8/27 (29.6) 13/47 (27.7) | 0.797b 0.332b |
IgG cheese (μg/ml) | 5.99 (2.40–72.0) | 3.84 (2.40–88.9) | 0.755 | ≥ 7.5 ≥ 20 | 8/23 (34.8) 3/14 (21.4) | 14/47 (29.8) 19/56 (33.9) | 0.672b 0.524a |
IgA casein (U/ml) | 5.05 (2.70–65.0) | 5.15 (2.10–33.1) | 0.556 | ≥ 8.0 ≥ 12 | 7/25 (28.0) 4/12 (33.3) | 15/45 (33.3) 18/58 (31.0) | 0.645b 1.000a |