Table 4.
Univariate Analysis | Multivariate Analysis | ||||
---|---|---|---|---|---|
Characteristic | N | OR (95% CI) | LR p value | OR (95% CI) | LR p value |
Balloon weight (g) | 211 | 1.003 (1.001–1.004) | <0.001 | 1.003 (1.002–1.004) | <0.001 |
Age | 211 | 0.97 (0.95–0.99) | <0.001 | 0.96 (0.94–0.99) | 0.001 |
Sex | 211 | ||||
Male | 46 | 1.0 | reference | 1.0 | reference |
Female | 165 | 0.36 (0.18–0.72) | 0.004 | 0.27 (0.12–0.59) | <0.001 |
BMI (kg/m2) | 209 | 1.02 (0.96–1.08) | 0.61 | AUC=0.78 | |
GC24 | 180 | 1.09 (0.77–1.55) | 0.61 | ||
GC48 | 115 | 0.91 (0.62–1.34) | 0.64 | ||
RASF (cm2) | 101 | 0.99 (0.99–1.00) | 0.68 |
AUC = area under the curve; CI = confidence interval; GC= colonic geometric center; LR = likelihood ratio; OR= odds ratio; RASF= rectal area on scout film