Table 1.
Demographic and Clinical Characteristics of the Patients at Baseline.*
| Characteristic | Sublobar Resection (N = 340) | Lobar Resection (N = 357) | Total (N = 697) |
|---|---|---|---|
|
| |||
| Age — yr | |||
| MediaN | 68.3 | 67.6 | 67.9 |
| RaNge | 37.8–89.7 | 43.2–88.9 | 37.8–89.7 |
| Race — no. (%)† | |||
| White | 314 (92.4) | 313 (87.7) | 627 (90.0) |
| Black | 16 (4.7) | 29 (8.1) | 45 (6.5) |
| AsiaN | 2 (0.6) | 4 (11) | 6 (0.9) |
| Other | 8 (2.4) | 11 (31) | 19 (2.7) |
| Sex — no. (%) | |||
| Male | 150 (44.1) | 147 (41.2) | 297 (42.6) |
| Female | 190 (55.9) | 210 (58.8) | 400 (57.4) |
| ECOG performaNce-status score — no. (%)‡ | |||
| 0 | 263 (77.4) | 250 (70.0) | 513 (73.6) |
| 1 | 72 (21.2) | 102 (28.6) | 174 (25.0) |
| 2 | 5 (1.5) | 5 (14) | 10 (1.4) |
| SmokiNg status — no. (%) | |||
| Never | 28 (8.2) | 35 (9.8) | 63 (9.0) |
| Former | 172 (50.6) | 177 (49.6) | 349 (50.1) |
| CurreNt | 140 (41.2) | 145 (40.6) | 285 (40.9) |
| Tumor size — no. (%) | |||
| <1.0 cm | 28 (8.2) | 30 (8.4) | 58 (8.3) |
| 1.0—1.5 cm | 174 (51.2) | 180 (50.4) | 354 (50.8) |
| >1.5–2.0 cm | 138 (40.6) | 147 (41.2) | 285 (40.9) |
| Histologic type — no. (%) | |||
| AdeNocarciNoma | 218 (64.1) | 226 (63.3) | 444 (63.7) |
| Squamous-cell carciNoma | 45 (13.2) | 53 (14.8) | 98 (14.1) |
| Other | 77 (22.6) | 78 (21.8) | 155 (22.2) |
*
Percentages may not total 100 because of rounding.
†
Race was reported by the patient.
‡
Eastern Cooperative Oncology Group (ECOG) performance-status scores range from 0 to 5, with higher scores indicating greater disability.