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Table 6 Logistic model for each correlation factors to baseline perianal disease (has perianal disease vs. no perianal disease)

From: Current diagnosis and management of Crohn’s disease in China: results from a multicenter prospective disease registry

VariableOR95% CI for ORParameter estimates (standard error)Corresponding 95% CIP value
Age (years)0.9570.937, 0.977−0.044 (0.011)+−0.065, −0.023<.001*
Sex (male vs. female)1.0720.701, 1.6380.069 (0.216)−0.355, 0.4930.749
BMI (18.5 - < 24 vs. < 18.5 kg/m2)1.0820.632, 1.8540.079 (0.275)−0.459, 0.6170.773
BMI (≥24 vs. < 18.5 kg/m2)1.7950.688, 4.6830.585 (0.489)+−0.373, 1.5440.231
Nicotine use (former vs. Never)0.2090.048, 0.904−1.564 (0.747)+−3.028, −0.1000.036*
Nicotine use (current vs. Never)0.4600.187, 1.136−0.776 (0.461)+−1.679, 0.1270.092
Alcohol use (former vs. Never)0.8220.292, 2.313−0.196 (0.528)−1.231, 0.8390.710
Alcohol use (current vs. Never)0.3890.113, 1.341−0.943 (0.631)+−2.180, 0.2930.135
Time from disease onset to enrollment (months)0.9960.992, 1.000−0.004 (0.002)+−0.008, − 0.0000.036*
Time from initial definite diagnosis to enrollment (months)0.9930.986, 1.000−0.007 (0.003)+−0.014, − 0.0000.039*
Disease behavior (B2 vs. B1)0.5140.320, 0.827−0.665 (0.243)+−1.141, − 0.1900.006*
Disease behavior (B3 vs. B1)0.7550.453, 1.256−0.282 (0.260)+−0.791, 0.2280.279
Disease behavior (B3 vs. B2)1.4680.814, 2.6460.384 (0.301)+−0.206, 0.9730.202
Disease location (L3 vs. L1)3.0521.834, 5.0791.116 (0.260)+0.607, 1.6252<.001*
Disease location (L3 vs. L2)2.4851.320, 4.6810.911 (0.323)+0.277, 1.5440.005*
  1. “No perianal disease” is the reference level. +: standard error is not larger than parameter estimates. *: P < 0.05. B1 non-stricturing non-penetrating, B2 stricturing, B3 penetrating, BMI body mass index, CI confidence interval, L1 terminal ileum, L2 colon, L3 ileocolon, OR odds ratio