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Successful vs unsuccessful conservative treatment.
| Successful conservative treatment | Gastrografin n = 184 | P n = 46 | |
| Sex (M/F) | 102/82 | 19/27 | 0.09 |
| Age (mean) | 18-97 (67) | 31-92 (65) | 0.56 |
| Number of operation (mean) | 1-5 (1.4) | 1-3 (1.5) | 0.47 |
| Numberof obstruction (mean) | 0-5 (0.41) | 0-4 (0.6) | 0.28 |
| Duration of symptoms (mean) | 1-7 (1.8) d | 1-5 (1.8) d | 0.95 |
| Nasogastric tube output (mean) | 0-80 (19) mL/h | 5-87 (33) mL/h | 0.003 |
