Table 2.

Comparison of effective rate and OS time in patients with advanced NSCLC (n, %).

Factor	Cases (n = 175)	Efficacy of chemotherapy	χ 2 value	P value	Median OS time (month)	χ 2 Value	P value
Gender
Male	115	53 (46.1)	0.029	0.865	15.3	2.518	0.113
Female	60	29 (48.3)			14.9
Age (Years old)
<65	71	36 (50.7)	0.255	0.614	15.2	0.513	0.474
≥65	104	46 (44.2)			16.9
Smoking status
Yes	98	42 (42.9)	0.515	0.473	14.9	0.462	0.497
No	77	40 (43.5)			15.3
PS score (points)
0∼1	123	55 (44.7)	0.336	0.623	16.4	3.558	0.060
≥2	52	27 (51.9)			14.5
Pathological type
Squamous cell carcinoma	94	45 (47.9)	0.961	0.327	15.8	0.093	0.761
Adenocarcinoma	71	33 (44.0)			15.2
Large cell carcinoma	10	4 (40.0)			15.0
TNM staging
IIIb	106	63 (59.4)	6.555	0.010	15.9	0.834	0.361
IV	69	19 (27.5)			14.8
PLR level
<197	78	48 (61.5)	6.937	0.037	20.8	3.393	0.047
≥197	97	34 (35.0)			12.0