|
Variables
|
Unmatched cohort
|
Propensity score-matched cohort
|
|---|
|
Thoracotomy (n = 223)
|
VATS (n = 132)
|
P value
|
Thoracotomy (n = 102)
|
VATS (n = 102)
|
P value
|
|---|
|
Age
|
68 (61.0–73.0)
|
66 (59.8–71.0)
|
0.139
|
67 (61.0–72.0)
|
67 (60.0–72.0)
|
0.871
|
|
Sex
| | | | | | |
|
Female
|
27 (12.1%)
|
36 (27.3%)
|
< 0.001
|
17 (16.7%)
|
18 (17.6%)
|
> 0.999
|
|
Male
|
196 (87.9%)
|
96 (72.7%)
|
85 (83.3%)
|
84 (82.4%)
|
|
Smoking
| | | | | | |
|
Never
|
27 (12.1%)
|
43 (32.6%)
|
< 0.001
|
19 (18.6%)
|
25 (24.5%)
|
0.829
|
|
Former
|
102 (45.7%)
|
55 (41.7%)
|
44 (43.1%)
|
47 (46.1%)
|
|
Current
|
94 (42.1%)
|
34 (25.8%)
|
39 (38.2%)
|
30 (29.4%)
|
|
FEV1 (%)
| | | | | | |
|
≥ 80%
|
51 (22.9%)
|
20 (15.2%)
|
0.079
|
81 (79.4%)
|
84 (82.4%)
|
0.701
|
|
< 80%
|
172 (77.1%)
|
112 (84.9%)
| |
21 (20.6%)
|
18 (17.6%)
| |
|
DLCO (%)
| | | | | | |
|
≥ 80%
|
26 (11.7%)
|
8 (6.1%)
|
0.083
|
91 (89.2%)
|
94 (92.2%)
|
0.607
|
|
< 80%
|
197 (88.3%)
|
124 (93.9%)
|
11 (10.8%)
|
8 (7.8%)
|
|
CCI
| | | | | | |
|
0
|
146 (65.5%)
|
88 (66.7%)
|
0.627
|
66 (64.7%)
|
64 (62.7%)
|
0.809
|
|
1
|
49 (22.0%)
|
31 (23.5%)
|
26 (25.5%)
|
27 (26.5%)
|
|
2
|
18 (8.1%)
|
6 (4.5%)
|
5 (4.9%)
|
5 (4.9%)
|
|
≥ 3
|
10 (4.5%)
|
7 (5.3%)
|
5 (4.9%)
|
6 (5.9%)
|
|
Tumor size
|
61 (55.0–75.0)
|
57(54.0–65.0)
|
< 0.001
|
59 (54.3–68.5)
|
59 (54.0–67.0)
|
0.777
|
|
Location
| | | | | | |
|
RUL
|
53 (23.8%)
|
29 (22.0%)
|
0.060
|
20 (19.6%)
|
22 (21.6%)
|
0.106
|
|
RML
|
2 (0.9%)
|
7 (5.3%)
|
2 (2%)
|
7 (6.9%)
|
|
RLL
|
54 (24.2%)
|
40 (30.3%)
|
25 (24.5%)
|
32 (31.4%)
|
|
LUL
|
56 (25.1%)
|
26 (19.7%)
|
26 (25.5%)
|
20 (19.6%)
|
|
LLL
|
58 (26.0%)
|
30 (22.7%)
|
29 (28.4%)
|
21 (20.6%)
|
|
Histology
| | | | | | |
|
ADC
|
90 (40.4%)
|
88 (66.7%)
|
< 0.001
|
62 (60.8%)
|
63 (61.8%)
|
> 0.999
|
|
SCC
|
108 (48.4%)
|
30 (22.7%)
|
28 (27.5%)
|
26 (25.5%)
|
|
Others
|
25 (11.21%)
|
14 (10.61%)
|
12 (11.8%)
|
13 (12.7%)
|
- Data are presented as number (%), or median (interquartile range)
- FEV1 forced expiratory volume at 1 s, DLCO diffusing capacity for carbon monoxide, CCI Charlson comorbidity index, ADC adenocarcinoma, SCC squamous cell carcinoma, VATS video-assisted thoracic surgery
