4.

TNM分期、组织学类型、治疗方式分层的省级与市县级医院治疗病例生存状况对比

Stratified analyses of hospital-level on survival by treatment status, stage, histologic cell type

Index	Provincial hospitals			Municipal and county hospitals		Hazard ratio* (95%CI)	P
	n	Median survival (mon, 95%CI)		n	Median survival (mon, 95%CI)
* Municipal and county hospitals vs provincial hospitals
TNM stage
Ⅰ	8	70 (51.8-88.2)		22	57 (45.4-68.6)	2.10 (0.71-6.25)	0.217
Ⅱ	29	56 (41.9-70.1)		41	33 (27.6-38.4)	1.51 (0.87-2.64)	0.115
Ⅲ	50	18 (14.8-21.2)		79	14 (11.3-16.7)	1.14 (0.78-1.66)	0.478
Ⅳ	50	11 (7.2-14.8)		161	6 (4.3-7.7)	1.55 (1.15-2.10)	0.005
Missing/Unknown	141	19 (16.1-21.9)		121	12 (7.9-16.1)	1.27 (0.97-1.66)	0.068
Histological subtype
Adenocarcinoma	114	22 (15.9-28.1)		104	26 (13.3-38.7)	0.88 (0.65-1.20)	0.664
Squamous cell	38	22 (12.3-31.7)		103	10 (7.4-12.6)	2.20 (1.55-3.13)	0.000
Treatment status
Surgery	114	50 (41.9-58.1)		101	34 (25.6-42.4)	1.05 (0.75-1.48)	0.215
Non-surgery	164	13 (11.0-15.0)		323	10 (8.4-11.6)	1.09 (0.90-1.33)	0.362