Table 3.
Age- and sex-adjusted and multivariable-adjusted analysis for complete cecal intubation rate
| n | Complete rate | P value1 |
Age- and sex-adjusted2 |
Multivariable-adjusted3 |
|||||
| OR | 95%CI | P value | OR | 95%CI | P value | ||||
| Total | 11812 | 95.0% | |||||||
| Sex | |||||||||
| Male | 7686 | 95.6% | 1.00 | 1.00 | |||||
| Female | 4126 | 94.0% | < 0.0001 | 1.38 | 1.17-1.64 | 0.0002 | 1.20 | 1.01-1.43 | 0.0377 |
| Age (yr) | |||||||||
| < 60 | 5638 | 95.9% | 1.00 | 1.00 | |||||
| ≥ 60 | 6174 | 94.2% | < 0.0001 | 1.44 | 1.22-1.71 | < 0.0001 | 1.48 | 1.23-1.79 | < 0.0001 |
| Poor bowel cleansing | |||||||||
| - | 11219 | 95.7% | 1.00 | 1.00 | |||||
| + | 593 | 82.0% | < 0.0001 | 4.64 | 3.69-5.84 | < 0.0001 | 4.57 | 3.62-5.76 | < 0.0001 |
| History of abdominal or pelvic surgery | |||||||||
| - | 9395 | 95.6% | 1.00 | 1.00 | |||||
| + | 2417 | 92.8% | < 0.0001 | 1.55 | 1.28-1.86 | < 0.0001 | 1.65 | 1.36-1.99 | < 0.0001 |
| Melanosis | |||||||||
| - | 11374 | 95.0% | 1.00 | ||||||
| + | 438 | 94.3% | 0.5012 | 0.99 | 0.65-1.50 | 0.9503 | |||
| Inflammatory bowel disease | |||||||||
| - | 10613 | 95.1% | 1.00 | 1.00 | |||||
| + | 1199 | 94.2% | 0.1617 | 1.48 | 1.13-1.95 | 0.0048 | 1.45 | 1.10-1.92 | 0.0091 |
| Experience of colonoscopist (yr) | |||||||||
| < 15 | 5460 | 95.04% | 1.00 | ||||||
| ≥ 15 | 6329 | 95.0% | 0.9324 | 0.99 | 0.84-1.17 | 0.9256 | |||
1
Fisher's exact test;
2
Age-adjusted for sex; sex-adjusted for age;
3
Multivariable-adjusted OR in stepwise logistic regression model, where age and sex were forced to enter into the model; other significant factors were selected from history of abdominal or pelvis surgery, poor bowel preparation, and inflammatory bowel disease with P < 0.05 for entry and removal.