Table 3.
Comparison of pouch-anal skin distance values from intra-operative measurement, SCDS and CCDC using paired t-test
| Comparison | Paired differences | t | df | Significant (two-tailed) | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | SEM | 95% CI of the difference | |||||
| Lower | Upper | |||||||
| Pair 1 | ||||||||
| Intra-operative versus SCDS | 0.5923 | 1.0218 | 0.2834 | −0.0252 | 1.2098 | 2.090 | 12 | 0.059 |
| Pair 2 | ||||||||
| SCDS versus CCDC | 0.2385 | 0.6252 | 0.1734 | −0.1394 | 0.6163 | 1.375 | 12 | 0.194 |
CCDC: Conventional contrast distal colostography; SCDS: Saline colostomy distension study; SD: Standard deviation; SEM: Standard error of mean; CI: Confidence interval