TABLE 1.
Baseline patient characteristics with and without postoperative pulmonary complications
| Total | With PPCs | Without PPCs | p value | |
|---|---|---|---|---|
| (n = 122) | (n = 27) | (n = 95) | ||
| Age (years, SD) | 60.1 ± 9.7 | 62.4 ± 10.3 | 59.5 ± 9.5 | 0.170 |
| Male (n, %) | 85 (69.7%) | 23 (85.2%) | 62 (65.3%) | 0.080 |
| Smoking (n, %) | 83 (68.0%) | 24 (88.9%) | 59 (62.1%) | 0.030 |
| Preoperative comorbidity (n, %) | 56 (45.9%) | 17 (63.0%) | 39 (41.1%) | 0.072 |
| Pulmonary TBc (n, %) | 11 (9.0%) | 5 (18.5%) | 6 (6.3%) | 0.064 |
| Age‐adjusted CCI [IQR] | 4 [3;5] | 5 [4;5] | 4 [3;5] | 0.006 |
| BMI (kg/m2, SD) | 24.2 ± 3.4 | 22.3 ± 3.6 | 24.8 ± 3.1 | 0.001 |
| FEV1 (L, SD) | 2.4 ± 0.6 | 2.1 ± 0.5 | 2.4 ± 0.6 | 0.014 |
| FEV1 (%predicted, SD) | 92.7 ± 17.0 | 95.0 ± 16.4 | 84.0 ± 16.9 | 0.006 |
| DLCO (mL/min per mmHg, SD) | 17.9 ± 4.5 | 14.4 ± 3.6 | 18.9 ± 4.3 | 0.001 |
| DLCO (%predicted, SD) | 96.2 ± 20.1 | 98.8 ± 18.2 | 86.9 ± 24.0 | 0.011 |
| Histology (n, %) | 0.425 | |||
| Adenocarcinoma | 64 (52.5%) | 13 (48.1%) | 51 (53.7%) | |
| Squamous | 54 (44.3%) | 14 (51.9%) | 40 (42.1%) | |
| Other | 4 (3.3%) | 0 (0.0%) | 4 (4.2%) | |
| Clinical N2 (n, %) | 94 (77.0%) | 22 (81.5%) | 72 (75.8%) | 0.718 |
Note: Data are presented as mean ± standard deviation, number (%), or mean (range).
Abbreviations: BMI, body mass index; CCI, Charlson Comorbidity Index; CTx, chemotherapy; DLCO, diffusing capacity for carbon monoxide; FEV1, forced expiratory volume in 1s; IQR, interquartile range; PPC, postoperative pulmonary complication; SD, standard deviation; TBc, tuberculosis.