Table 1.
Patient characteristics in the two groups
| Pneumonia + (n = 34) | Pneumonia − (n = 86) | p value | |
|---|---|---|---|
| Age | 63.7 ± 8.9 | 63.0 ± 9.2 | 0.337 |
| Gender | |||
| Male | 33 | 71 | |
| Female | 01 | 15 | 0.0384 |
| Body mass index (kg/m2) | 21.0 ± 3.0 | 21.1 ± 3.0 | 0.954 |
| Smoking | |||
| Yes | 32 | 71 | |
| No | 02 | 15 | 0.147 |
| FEV1.0 % | 73.2 ± 12.2 | 73.1 ± 8.8 | 0.592 |
| Preoperative CRP (mg/dl) | 0.82 ± 2.4 | 0.32 ± 0.47 | 0.765 |
| Tumor locations | |||
| Upper | 04 | 09 | |
| Middle | 21 | 44 | |
| Lower | 09 | 33 | 0.465 |
| UICC stage (pathological) | |||
| I and II | 21 | 50 | |
| III and IV | 13 | 36 | 0.716 |
| Length of operation (min) | 463 ± 100 | 433 ± 99 | 0.0679 |
| Blood loss (g) | 820 ± 913 | 548 ± 267 | 0.283 |
| Field of lymph node dissection | |||
| 2 (mediastinum and abdomen) | 22 | 68 | |
| 3 (bilateral neck, mediastinum, and abdomen) | 12 | 18 | 0.102 |
| Wound infection | |||
| Yes | 5 | 09 | |
| No | 29 | 77 | 0.536 |
| Anastomotic leakage | |||
| Yes | 03 | 05 | |
| No | 31 | 81 | 0.686 |
| Cardiac complications | |||
| Yes | 09 | 16 | |
| No | 25 | 70 | 0.339 |
Data are presented as mean+standard error or absolute numbers
FEV forced expiratory volume, CRP C-reactive protein, UICC International Union Against Cancer