TABLE 2

Univariate Kaplan–Meier Analysis of Overall Survival in Patients with Lung Adenocarcinoma

Factor	n	Median survival (mo)	95% Confidence interval for mean (mo)	Hazard ratio (%)	Cumulative survival proportions at 60 mo	P (log-rank)
Age (y)				0.36		0.01
<60	21	71	45–70		42
≥60	79	26	24–33		7
Sex				0.84		0.05
Male	58	31	28–44		28
Female	42	22	23–38		21
Albumin (g/dL)				0.70		0.05
<3.5	26	26	17–38		14
≥3.5L	25	36	30–45		21
Calcium (mmol/L)				0.20		0.01
<2.5	45	38	33–46		15
≥2.5	13	18	11–21		1
Hemoglobin (g/dL)				0.71		0.05
<9	20	23	18–31		10
≥9	45	35	27–49		22
Platelets				1.80		0.007
<160 × 10 ⁹/L	14	18	11–31		11
≥160 × 10 ⁹/L	51	31	30–41		38
White blood cells				0.92		0.04
<12.5 × 10 ⁹/L	24	32	26–42		21
≥12.5 × 10 ⁹/L	40	21	16–32		9
Differentiation				0.63		0.04
Well; moderate	39	28	19–35		12
Poor	20	9	6–24		5
Staging				0.46		0.001
I–II	33	39	33–45		18
III–IV	31	24	18–31		Zero
Size (cm)				2.01		0.01
<3	56	41	35–54		35
≥3	44	19	16–32		9
Lymph node				0.40		0.02
No	30	41	31–54		33
Yes	34	19	17–28		6
Metastasis				0.42		0.0005
No	54	37	34–48		41
Yes	10	15	11–27		6
SUVmax1				0.62		0.04
<10	78	31	28–48		26
≥10	22	20	13–27		17
SUVmax2				0.68		0.05
<10	83	33	31–45		21
≥10	17	19	11–21		17
SUVmax change				0.40		0.0002
<25%	64	39	35–50		27
≥25%	36	15	12–28		6