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. Author manuscript; available in PMC: 2014 Jul 3.
Published in final edited form as: Cancer. 2010 Oct 13;117(5):948–956. doi: 10.1002/cncr.25544

Table 6. Univariate Analysis for Grade 3-4 Complications.

HR 95% CI p-value
Positive LN status 0.58 0.35, 0.96 0.04
BMI† 0.04
 Normal (18.5 -24.9 kg/m2) 0.70 0.26, 1.9
 Overweight (≥ 25 kg/m2) 0.42 0.16, 1.1
Smoking status° 0.04
 Current 1.79 1.12, 2.88
 Previous 1.97 0.87, 4.49
Race* 0.93
 Black 1.00 0.64, 1.58
 Other 0.64 0.07, 6.27
Co-morbidity# 0.38
 1 1.46 0.89, 2.45
 2 1.29 0.72, 2.34
 3 1.68 0.75, 3.79
Histology% 0.93
 Squamous 1.04 0.46, 2.41
 Other 1.23 0.37, 4.04
Grade 3 1.12 0.71, 1.75 0.63
Stage∧ 0.15
 II 1.06 0.62, 1.81
 III/IV 1.63 0.93, 2.84
†

Reference category: Underweight (<18.5 kg/m2)

°

Reference category: Never smoked

*

Reference category: Caucasian

#

Reference category: None

%

Reference category: Adenosquamous

∧

Reference category: Stage I