Table 1 Demographic characteristics for study population
Before PSM | After PSM | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Patients with lung disease, n = 797 | Patients with lung disease, n = 376 | Patients with lung cancer, n = 326 | ||||||||||
Baseline characteristics | Overall, n = 797 | Open lobectomy, n = 208 (26.10%) | VATS lobectomy, n = 589 (73.90%) | P-value | Overall, n = 376 | Open lobectomy, n = 188 (50.00%) | VATS lobectomy, n = 188 (50.00%) | P-value | Overall n = 326 | Open lobectomy n = 163 (50.00%) | VATS lobectomy n = 163 (50.00%) | P-value |
Age (years), mean ± SD | 59.92 ± 8.78 | 60.23 ± 8.01 | 59.82 ± 9.04 | 0.56 | 59.87 ± 8.16 | 60.01 ± 7.85 | 59.72 ± 8.48 | 0.74 | 60.34 ± 7.60 | 60.60 ± 7.39 | 60.08 ± 7.83 | 0.54 |
Age group, n (%) | 0.36 | 0.61 | 0.67 | |||||||||
< 50 years old | 100 (12.55) | 21 (10.10) | 79 (13.41) | 34 (9.04) | 19 (10.11) | 15 (7.98) | 24 (7.36) | 11 (6.75) | 13 (7.98) | |||
50–59 years old | 272 (34.13) | 77 (37.02) | 195 (33.11) | 152 (40.43) | 72 (38.30) | 80 (42.55) | 134 (41.10) | 64 (39.26) | 70 (42.94) | |||
≥ 60 years old | 425 (53.32) | 111 (52.88) | 315 (53.48) | 190 (50.53) | 97 (51.60) | 93 (49.47) | 168 (51.53) | 88 (53.99) | 80 (49.08) | |||
Sex, n (%) | < 0.001 | 0.83 | 1.00 | |||||||||
Male | 375 (47.05) | 131 (62.98) | 244 (41.43) | 223 (59.31) | 113 (60.11) | 110 (58.51) | 195 (59.82) | 97 (59.51) | 98 (60.12) | |||
Female | 422 (52.95) | 77 (37.02) | 345 (58.57) | 153 (40.69) | 75 (39.89) | 78 (41.49) | 131 (40.18) | 66 (40.49) | 65 (39.88) | |||
Health insurance, n (%) | 0.68 | 1.00 | 1.00 | |||||||||
Insured | 726 (91.09) | 188 (90.38) | 538 (91.34) | 345 (91.76) | 172 (91.49) | 173 (92.02) | 301 (92.33) | 150 (92.02) | 151 (92.64) | |||
Not insured | 71 (8.91) | 20 (9.62) | 51 (8.66) | 31 (8.24) | 16 (8.51) | 15 (7.98) | 25 (7.67) | 13 (7.98) | 12 (7.36) | |||
Primary diagnosis, n (%) | 0.17 | 1.00 | NA | |||||||||
Lung cancer | 696 (87.33) | 176 (84.62) | 520 (88.29) | 334 (88.83) | 167 (88.83) | 167 (88.83) | 326 (100.00) | 163 (100.00) | 163 (100.00) | |||
Other lung diseases | 101 (12.67) | 32 (15.38) | 69 (11.71) | 42 (11.17) | 21 (11.17) | 21 (11.17) | 0 | 0 | 0 | |||
Comorbidity, n (%) | ||||||||||||
Hypertension | 0.20 | 0.89 | 1.00 | |||||||||
Yes | 146 (18.32) | 32 (15.38) | 114 (19.35) | 56 (14.89) | 29 (15.42) | 27 (14.36) | 41 (12.58) | 20 (12.27) | 21 (12.88) | |||
No | 651 (81.68) | 176 (84.62) | 475 (80.65) | 320 (85.11) | 159 (84.58) | 161 (85.64) | 285 (87.42) | 143 (87.73) | 142 (87.12) | |||
Diabetes | 0.66 | 1.00 | 0.71 | |||||||||
Yes | 75 (9.41) | 18 (8.65) | 57 (9.68) | 36 (9.57) | 18 (9.57) | 18 (9.57) | 31 (9.51) | 14 (8.59) | 17 (10.43) | |||
No | 722 (90.59) | 190 (91.35) | 532 (90.32) | 340 (90.43) | 170 (90.43) | 170 (90.43) | 295 (90.49) | 149 (91.41) | 146 (89.57) | |||
Heart disease | 0.27 | 0.25 | 1.00 | |||||||||
Yes | 64 (8.03) | 13 (6.25) | 51 (8.66) | 20 (5.32) | 13 (6.91) | 7 (3.72) | 16 (4.91) | 8 (4.91) | 8 (4.91) | |||
No | 733 (91.97) | 195 (93.75) | 538 (91.34) | 356 (94.68) | 175 (93.09) | 181 (96.28) | 310 (95.09) | 155 (95.09) | 155 (95.09) | |||
Other diseases | 0.77 | 0.83 | 0.62 | |||||||||
Yes | 54 (6.78) | 15 (7.21) | 39 (6.62) | 24 (6.38) | 11 (5.85) | 13 (6.91) | 17 (5.21) | 10 (6.14) | 7 (4.29) | |||
No | 743 (93.22) | 193 (92.79) | 550 (93.38) | 352 (93.62) | 177 (94.15) | 175 (93.09) | 309 (94.79) | 153 (93.86) | 156 (95.71) | |||