Table 2. Baseline characteristics and sites of disease according to BSLD.
| Variable | BSLD ⩽7.5 cm n (%) | BSLD >7.5 cm n (%) |
|---|---|---|
|
Sex | ||
| Female | 179 (47) | 162 (43) |
| Male |
204 (53) |
214 (57) |
|
Age (years) | ||
| <70 | 300 (78) | 279 (74) |
| ⩾70 |
83 (22) |
97 (26) |
|
Race | ||
| White | 329 (86) | 327 (87) |
| Black | 15 (4) | 24 (6) |
| Other |
39 (10) |
25 (7) |
|
Stage | ||
| IIIB (malignant effusion) | 59 (15) | 20 (5) |
| IV/Recurrent |
324 (85) |
356 (95) |
|
ECOG performance status | ||
| 0 | 152 (40) | 152 (41) |
| 1 |
228 (60) |
223 (59) |
|
Histology | ||
| Adenocarcinoma | 277 (73) | 237 (63) |
| Other |
105 (27) |
138 (37) |
|
Ipsilateral lung | ||
| Yes | 163 (43) | 185 (49) |
| No |
220 (57) |
191 (51) |
|
Contralateral lung | ||
| Yes | 110 (29) | 148 (39) |
| No |
273 (71) |
228 (61) |
|
Hilar nodes | ||
| Yes | 131 (34) | 185 (49) |
| No |
252 (66) |
191 (51) |
|
Mediastinal nodes | ||
| Yes | 176 (46) | 237 (63) |
| No |
207 (54) |
139 (37) |
|
Supraclavicular/scalene nodes | ||
| Yes | 24 (6) | 45 (12) |
| No |
359 (94) |
331(88) |
|
Pleura | ||
| Yes | 107 (28) | 83 (22) |
| No |
276 (72) |
293 (78) |
|
Bone | ||
| Yes | 130 (34) | 106 (28) |
| No |
253 (66) |
270 (72) |
|
Liver | ||
| Yes | 47 (12) | 104 (28) |
| No |
336 (88) |
272 (72) |
|
Adrenal | ||
| Yes | 45 (12) | 76 (20) |
| No | 338 (88) | 300 (80) |
Abbreviations: BSLD=baseline sum longest diameter; ECOG=Eastern Cooperative Oncology Group.