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Response rates in the subjects with irritable bowel syndrome-diarrhea for anxiety n (%)
| Anxiety | Arm | n | CR | PR | SR | NR | Response rate |
| Per protocol | A | 82 | 16 (19.5) | 45 (54.9) | 17 (20.7) | 4 (4.9) | 61 (74.4)b |
| B | 88 | 4 (4.5) | 17 (19.3) | 25 (28.4) | 42 (47.7) | 21 (23.9) | |
| Intention-to-treat | A | 100 | 16 (16) | 45 (45) | 17 (17) | 22 (22) | 61 (61)b |
| B | 100 | 4 (4) | 17 (17) | 25 (25) | 54 (54) | 21 (21) |
P < 0.01, arm A vs arm B. CR: Complete response; NR: Non-response; PR: Partial response; SR: Slight response.
