Table 1.
Baseline characteristics of the subjects
| AP group (n = 17) |
PA group (n = 18) |
P-value | |
|---|---|---|---|
| Sex | |||
| Female | 5 (29.4) | 5 (27.8) | >0.999a |
| Male | 12 (70.6) | 13 (72.2) | |
| Age (yr) | 37.47 ± 13.30 | 37.11 ± 14.38 | 0.939b |
| Hight (cm) | 162.35 ± 5.85 | 165.99 ± 9.19 | 0.174b |
| Weight (kg) | 61.39 ± 10.90 | 60.87 ± 11.16 | 0.891b |
| Frequency of milk consumption (per week) | |||
| 1–2 | 17 (100) | 17 (94.4) | >0.999a |
| 3–4 | 0 (0) | 1 (5.6) | |
| More than 5 | 0 (0) | 0 (0) | |
| Amount of milk consumption (mL) | |||
| <200 | 13 (76.5) | 15 (83.3) | 0.691a |
| 200–400 | 4 (23.5) | 3 (16.7) | |
| ≥400 | 0 (0) | 0 (0) | |
| GSRS total score | 4.28 ± 2.67 | 5.28 ± 6.26 | 0.777c |
Values were presented as number (%) or mean ± standard deviation. AP group, A2 millk consumption followed by A1/A2 milk consumption (A2→A1/A2); PA group, A1/A2 milk consumption followed by A2 milk consumption (A1/A2→A2). GSRS, gastrointestinal symptom rating scale. P-values were calculated by aFisher’s exact test, btwo sample t-test or cWilcoxon rank sum test.