Table 6 Odds ratios (ORs) and 99% confidence interval (CI) for individual hospitals with regard to 30‐day postoperative mortality after surgery for lung cancer.

Hospital	N	Postoperative mortality n (%)	OR (99% CI)	p Value
1	597	26 (4.4)	1.09 (0.61 to 1.92)	0.71
2	418	12 (2.9)	0.66 (0.30 to 1.46)	0.18
3	373	5 (1.3)	0.32 (0.10 to 1.04)	0.012
4	358	20 (5.6)	1.24 (0.64 to 2.37)	0.40
5	344	16 (4.7)	1.03 (0.51 to 2.09)	0.92
6	289	15 (5.2)	1.25 (0.60 to 2.60)	0.44
7	280	10 (3.6)	0.76 (0.32 to 1.82)	0.42
8	260	12 (4.6)	0.85 (0.38 to 1.92)	0.61
9	233	17 (7.3)	1.68 (0.83 to 3.41)	0.058
10	216	15 (6.9)	1.73 (0.81 to 3.66)	0.061
11	165	7 (4.2)	0.87 (0.30 to 2.47)	0.72
12	155	4 (2.6)	0.50 (0.13 to 1.92)	0.18
13	148	14 (9.5)	2.21 (1.01 to 4.84)	0.010
14	103	0 (0)	−	–
15	98	3 (3.1)	0.79 (0.17 to 3.72)	0.69
16	68	6 (8.8)	1.86 (0.57 to 6.12)	0.18
17	57	2 (3.5)	0.87 (0.13 to 5.83)	0.85
18	54	2 (3.7)	1.11 (0.17 to 7.42)	0.89
19	38	0 (0)	−	–
20	34	2 (5.9)	1.45 (0.21 to 10.24)	0.63
21	29	0 (0)	−	–
22	25	3 (12.0)	2.23 (0.43 to 11.55)	0.21
23	20	1 (5.0)	0.83 (0.06 to 12.41)	0.86
24	19	0 (0)	−	–
25	13	1 (7.7)	2.28 (0.15 to 34.86)	0.44
26	1	0 (0)	−	–

Adjusted for sex, age, side of resection and surgical procedure.