Table 3.
Comparison of skin parameters variation, between kefir intake and control groups, for both healthy and atopic volunteers, after eight weeks of kefir ingestion (median (Q1, Q3)).
| Deviation of Skin Parameters | Healthy Group (n = 33) |
Atopic Group (n = 19) |
||||
|---|---|---|---|---|---|---|
| HK | H0 | p-Value | AK | A0 | p-Value | |
| TEWL | ||||||
| Forearm | −0.302 (−0.489, 0.0149) |
0.0058 (−0.12, 0.081) |
0.018 | −0.529 (−0.601, −0.428) |
0.148 (−0.571, 0.578) |
<0.001 |
| Leg | −0.0976 (−0.321, 0.244) |
0.0143 (−0.248, 0.116) |
0.854 | −0.288 (−0.333, −0.176) |
0.507 (0.0656, 1.36) |
<0.001 |
| Forehead | −0.220 (−0.375, −0.0448) |
−0.0128 (−0.196, 0.152) |
0.036 | −0.457 (−0.612, −0.243) |
0.150 (−0.0571, 0.636) |
<0.001 |
| Hydration | ||||||
| Forearm | −0.0196 (−0.0784, 0.0959) |
−0.184 (−0.256, −0.0132) |
0.034 | 0.452 (0.300, 0.560) |
−0.0810 (−0.282, 0.119) |
0.001 |
| Leg | 0.143 (−0.134, 0.212) |
−0.0270 (−0.246, 0.0896) |
0.320 | 0.250 (0.213, 0.522) |
0.0470 (−0.0894, 0.220) |
0.034 |
| Forehead | 0.128 (−0.0447, 0.373) |
−0.127 (−0.325, 0.0356) |
0.012 | 0.244 (0.146, 0.537) |
0.0450 (−0.297, 0.466) |
0.086 |
| Erythema | ||||||
| Forearm | −0.0556 (−0.186, −0.0170) | −0.0745 (−0.111, 0.0119) | 0.685 | −0.133 (−0.185, −0.0692) | −0.0404 (−0.191, 0.129) | 0.221 |
Q1—first quartile; Q3—third quartile. HK—healthy skin with kefir intake; H0—healthy skin without kefir intake; AK—atopic skin with kefir intake; A0—atopic skin without kefir intake. TEWL—transepidermal water loss. Groups compared by Mann-Whitney U test, with p < 0.05 for statistical significance.