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. 2016 Jun 1;6:27041. doi: 10.1038/srep27041

Table 3. Unadjusted and adjusted OR of potential risk factors related to PCEA-induced vomiting6,7.

  Unadjusted 95% CI
   Adjusted 95% CI
 P-value
OR Lower Upper P value OR Lower Upper
Gender (female) 6.896 2.513 18.923 <0.001 16.345 4.555 56.647 <0.001
Age (year) 1.003 0.977 1.031 0.801        
Total knee replacement (TKR) 1.511 0.873 2.614 0.140        
Epidural level 0.315 0.091 1.093 0.069        
Length (cm) 0.506 0.325 0.785 0.002 0.467 0.305 0.716 0.001
Height (cm) 0.953 0.913 0.995 0.028 1.066 1.004 1.132 0.038
Weight (kg) 0.972 0.945 1.001 0.057        
Bolus dose (ml) 0.748 0.168 3.325 0.702        
BMI (kg/m2) 0.971 0.899 1.049 0.457