Table 3.
Characteristics of patients diagnosed after an incidental finding and patients with symptoms.
|
Incidental finding n = 320 |
Symptomatic patients n = 273 |
P | |||
|---|---|---|---|---|---|
| Age (mean, SD) | 61.93 | 9.8 | 59.51 | 10.1 | 0.007 |
| Male (n, %) | 212 | 66% | 200 | 73% | 0.054 |
| Never smoker | 50 | 15.6% | 18 | 6.6% | 0.003 |
| Previous malignancy | 41 | 13% | 13 | 5% | 0.002 |
| Pathological staging (n, %) | |||||
| IA | 121 | 37.81 | 36 | 13.19 | 0.0001 |
| IB | 71 | 22.19 | 52 | 19.05 | |
| IIA | 16 | 5.00 | 10 | 3.66 | |
| IIB | 40 | 12.50 | 50 | 18.32 | |
| IIIA | 46 | 14.38 | 86 | 31.50 | |
| IIIB | 15 | 4.69 | 24 | 8.79 | |
| IV | 11 | 3.44 | 15 | 5.49 | |
| Squamous cell | 51 | 16% | 63 | 23.1% | 0.031 |
| Adenocarcinoma | 214 | 66.9% | 147 | 53.8% | 0.025 |
| Pneumonectomy | 10 | 3.1% | 28 | 11% | 0.005 |
| Tumor size >3 cm | 149 | 46.5 | 200 | 73% | 0.0001 |
| Central tumor location | 60 | 18.75 | 99 | 36.20% | 0.001 |
| Resection considered curative | 288 | 90% | 220 | 81% | 0.007 |
| Postoperative complication rate | 57 | 17.8% | 73 | 26.7% | 0.022 |
| ICU stay days (mean, SD) | 1.73 | 3.209 | 1.44 | 4.388 | 0.38 |
| Operative mortality | 11 | 3.6% | 17 | 6.2% | 0.355 |