5.

按TNM分期、组织类型分层的手术与非手术、未治疗病例生存状况对比

Survival in lung cancer with different treatment status and pathology by stage at diagnosis

Index	n	Median survival (mon, 95%CI)	Hazard ratio (95%CI)	P
aThe reference is treatment with surgery; bThe reference is treatment without surgery.
Clinical stage
Ⅰ & Ⅱ
Treatment with surgery	62	60 (50.6-69.4)	1.00 (Ref)
Treatment without surgery	38	24 (1.1-46.9)	2.58 (1.48-4.48)a	0.001
Non-treated	53	25 (15.4-34.6)	1.11 (0.70-1.75)b	0.651
Ⅲ
Treatment with surgery	33	30 (10.0-50.0)	1.00 (ref)
Treatment without surgery	96	15 (12.6-17.4)	2.06 (1.40-3.03)a	0.008
Non-treated	130	10 (8.4-11.6)	1.40 (1.06-1.84)b	0.011
Ⅳ
Treatment with surgery	38	12 (7.8-16.2)	1.00 (ref)
Treatment without surgery	173	7 (5.5-8.5)	1.93 (1.41-2.64)a	0.001
Non-treated	160	5 (3.5-6.5)	0.97 (0.77-1.21)b	0.774
Missing/Unknown
Treatment with surgery	82	50 (33.8-66.2)	1.00 (ref)
Treatment without surgery	180	12 (9.8-14.2)	2.92 (2.24-3.80)a	0.000
Non-treated	205	11 (8.6-13.4)	0.92 (0.75-1.14)b	0.434
Pathological type
Adenocarcinoma
Treatment with surgery	137	40 (30.3-49.7)	1.00 (Ref)
Treatment without surgery	81	11 (8.6-13.4)	3.01 (2.06-4.40)a	0.000
Non-treated	13	9 (3.1-14.9)	1.04 (0.57-1.89)b	0.887
Squamous cell
Treatment with surgery	31	60 (45.8-74.2)	1.00 (ref)
Treatment without surgery	110	9 (6.5-11.5)	3.41 (2.39-4.86)a	0.000
Non-treated	166	10 (8.2-11.8)	0.96 (0.75-1.24)b	0.770