Low Hematocrit Is a Strong Predictor of Poor Prognosis in Lung Cancer Patients

Table 2

Univariate analysis of prognostic factors for OS of lung cancer (n = 1022).

Variable		Wald	HR	95 CI	P Value
Sex (male/female, n = 1022)	-0.005	0.002	0.995	0.769-1.287	0.969
Tumor stage (I/II/III, n = 1022)
I			1
II	0.691	21.349	1.996	1.489-2.677	<0.001
III	0.993	35.920	2.699	1.951-3.735	<0.001
Age (<60/≥60, n = 1022)	0.189	2.147	1.208	0.938-1.556	0.143
BMI (1/2/3, n = 1022)	-0.114	1.096	0.892	0.720-1.105	0.295
Smoking (yes/no, n = 996)	-0.068	0.256	0.935	0.719-1.214	0.613
Histologic type (n = 1022)	0.150	2.382	1.162	0.960-1.407	0.123
RBC (1/2, n = 1022)	-0.642	11.106	0.526	0.361-0.768	0.001
Hb (1/2, n = 1022)	-0.412	6.198	0.662	0.479-0.916	0.013
HCT (1/2, n = 1022)	-0.575	18.464	0.563	0.433-0.731	<0.001
MCV (1/2/3, n = 1021)	-0.236	0.894	0.790	0.484-1.288	0.344
MCH (1/2/3, n = 1022)	-0.198	1.141	0.820	0.570-1.180	0.285

Note: BMI: body mass index; RBC: red blood cell; HB: hemoglobin; MCV: mean cell volume; MCH: mean corpuscular hemoglobin.