Table 2. Results from the multivariable logistic regression examining the factors associated with receipt of surgical therapy among patients with hepatocellular carcinoma.

Predict variables	Adjusted OR	95% CI	P
Race
White	1	–	Reference
Black	1.06	0.76-1.48	0.73
Native American	1.33	0.55-3.16	0.53
Asian	1.48	1.13-1.95	0.01
Age (year)
18-39	7.6	1.02-56.69	0.05
40-59	1	–	Reference
60-69	0.71	0.56-0.89	0.004
≥70	0.42	0.31-0.56	<0.001
Gender
Male	1	–	Reference
Female	1.43	1.10-1.87	0.01
Tumor size (cm)	1	1.00-1.01	0.01
Tumor grade
I/II	1	–	Reference
III/IV	1.71	1.26-2.33	0.001
Stage at diagnosis
Localized	1	–	Reference
Regional spread	0.74	0.58-0.96	0.02
Distant spread	0.21	0.11-0.39	<0.001
Unstaged	NA	NA	NA
AFP
Negative	1	–	Reference
Positive	0.64	0.51-0.80	<0.001
Cirrhosis
F0	1	–	Reference
F1	0.6	0.47-0.77	<0.001

OR, odds ratio; CI, confidence interval; tumor grade I, well differentiated; tumor II, moderately differentiated; tumor III, poorly differentiated; tumor IV, undifferentiated; NA, not applicable; AFP, alpha fetal protein; F0, fibrosis score 0-4, none to moderate fibrosis; F1, fibrosis score 5-6, severe fibrosis or cirrhosis.