Table 2

Univariate and multivariate logistic regression analyses to identify factors associated with postoperative complications among inpatients diagnosed with colorectal cancer

UnivariateMultivariate
OR (95% CI)P valuesAdjusted OR (95% CI)P values
Chronic liver diseases
 NoReferenceReference
 Yes1.08 (0.94 to 1.23)0.2920.91 (0.78 to 1.05)0.192
Race
 WhiteReference
 Black1.01 (0.83 to 1.23)0.905
 Hispanic1.03 (0.79 to 1.35)0.827
 Asian or Pacific islander0.85 (0.54 to 1.34)0.494
 Native American1.10 (0.42 to 2.92)0.845
 Other/Missing0.95 (0.81 to 1.10)0.456
Median household income
 Quartile 1Reference
 Quartile 21.16 (0.99 to 1.36)0.075
 Quartile 30.93 (0.79 to 1.10)0.389
 Quartile 41.02 (0.86 to 1.21)0.827
 Others1.06 (0.71 to 1.59)0.785
Location of hospital
 RuralReference
 Urban non-teaching1.09 (0.90 to 1.32)0.355
 Urban teaching1.04 (0.87 to 1.25)0.667
 Others1.25 (0.57 to 2.75)0.572
Types of admission
 Non-electiveReference
 Elective0.95 (0.83 to 1.08)0.397
 Others0.85 (0.24 to 3.03)0.802
Length of hospital stay 1.13 (1.12 to 1.14) <0.001 1.13 (1.12 to 1.15) <0.001
Hyperlipidaemia
 NoReferenceReference
 Yes 0.77 (0.67 to 0.89) <0.001 0.97 (0.83 to 1.12)0.671
Obesity
 NoReference
 Yes1.09 (0.91 to 1.30)0.353
  • P<0.05 is shown in bold.