Table 5.
Distribution of sIgA levels (low, normal, high) a and PMA (zero or greater than zero) in the study groups.
| Probiotics (n = 14) | Placebo (n = 16) | Significance b | |
|---|---|---|---|
| Level of sIgA | |||
| Baseline, n (%) | |||
| Low | 3 (21.5) | 4 (25.0) | p-value = 0.883 |
| Normal | 8 (57.0) | 10 (62.5) | |
| High | 3 (21.5) | 2 (12.5) | |
| Outcome, n (%) | |||
| Low | 4 (28.5) | 5 (31) | p-value = 0.8959 |
| Normal | 6 (43.0) | 8 (50) | |
| High | 4 (28.5) | 3 (19) | |
| Washout, n (%) | |||
| Low | 3 (21.5) | 2 (12.5) | p-value = 0.4369 |
| Normal | 7 (50.0) | 12 (75.0) | |
| High | 4 (28.5) | 2 (12.5) | |
| PMA | |||
| Baseline, n (%) | |||
| PMA = 0 | 11 (79) | 12 (75) | p-value = 1.0 |
| PMA > 0 | 3 (21) | 4 (25) | |
| Outcome, n (%) | |||
| PMA = 0 | 13 (93) | 13 (81) | p-value = 0.6015 |
| PMA > 0 | 1 (7) | 3 (19) | |
| Washout, n (%) | |||
| PMA = 0 | 14 (100) | 13 (81) | p-value = 0.2276 |
| PMA > 0 | - | 3 (19) |
a According to manufacturer’s instructions (IgA secretory ELISA-BEST kit); b Fisher’s exact test; sIgA—secretory immunoglobulin A; PMA—papillary marginal attached index.