Table 2. Comparison of frequency of patients with clinical signs before and after study .
| GBF group(n=20) | P value | Control group(n=21) | P value | |||||||
| Before study N (%) | After study N (%) | Before study N (%) | After study N (%) | |||||||
| Clinical sign | Increased clinical sign | Reduced clinical sign (%) | Not changed (%) | Increased clinical sign | Reduced clinical sign (%) | Not changed (%) | ||||
| chronic diarrhea | 7(35.00) | ----- | 5(25.00) | ----- | 0.50 | 5(23.80) | 1(4.76) | 1(4.76) | 2(9.52) | 1.00 |
| visible blood in stool | 10(50.00) | ----- | 7(35.00) | 1(5.00) | 0.50 | 5(23.80) | 1(4.76) | ----- | 4(19.04) | 1.00 |
| abdominal pain or cramping | 10(50.00) | ----- | 2(10.00) | 1(10/00) | 0.01 | 9(42.9) | 10(47.61) | 2(9.52) | 3(14.28) | 0.07 |
| nausea and vomiting | 4(16.00) | ----- | ----- | 1(5.00) | 0.25 | 3(14.3) | 2(9.52) | ----- | 1(4.76) | 1.00 |
| Anorexia | 6(30.00) | ----- | 1(5.00) | ----- | 0.06 | 4(19) | 1(4.76) | ----- | 3(14.28) | 1.00 |
P values based on Mc Nemar tests