Table 1. Baseline characteristics of enrolled patients in the entire cohort.

Characteristics	AM (n=58)	PM (n=74)	P
Gender			0.54
Male	43 (74.14)	61 (82.43)
Female	15 (25.86)	13 (17.57)
Age (years)	61.03±9.77	59.03±11.33	0.25
<65	37 (64.79)	46 (62.16)
≥65	21 (36.21)	28 (37.84)
Smoking rate	20 (34.48)	23 (31.08)	0.57
Drinking rate	7 (12.07)	6 (8.11)	0.33
Family history	8 (13.79)	8 (10.81)	0.45
Disease staging			0.46
III	13 (22.41)	20 (27.03)
IIIA	2 (3.45)	3 (4.05)
IIIB	10 (17.24)	9 (12.16)
IIIC	1 (1.72)	8 (10.81)
IV	45 (77.59)	54 (72.97)
Outcome			0.52
PR	12 (20.69)	20 (27.03)
SD	30 (51.72)	29 (39.19)
PD	16 (27.59)	25 (33.78)
Follow-up time (months)	10.84±13.96	7.61±8.66	–

Data are presented as n (%) or mean ± standard deviation. PD, progressive disease; PR, partial response; SD, stable disease.