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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Neurogastroenterol Motil. 2018 Nov 13;31(1):e13510. doi: 10.1111/nmo.13510

Table 4.

Univariate, multivariate predictors of rectal evacuation disorder(RED) with wbBET

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