Table 1 Patient demographics
Variable | Probiotic (n = 181) | Placebo (n = 179) | P-value |
|---|---|---|---|
Age (years) [mean ± SD] | 32.2 ± 10.1 | 31.7 ± 9.7 | 0.642 |
Gender (males/ females) | 136/45 | 145/34 | 0.179 |
IBS-D (Rome III criteria) | 181 (100) | 179 (100) | NS |
Moderate | 39 (21.5) | 52 (29.1) | 0.101 |
Severe | 142 (78.5) | 127 (70.9) | |
Occupation: | |||
Service industry | 59 | 50 | 0.043 |
Student | 51 | 38 | |
Business person | 19 | 23 | |
Housewife | 22 | 25 | |
Worker (painter, tailor, driver, farmer) | 30 | 43 | |