1.
515例Ia期SCLC患者的临床特征[n(%)]
Clinical characteristics of 515 patients with stage Ia SCLC[n(%)]
| Variable | No (%) of patients | P | ||
| Lob (n=110) | Sub (n=57) | Non-surgical (n=348) | ||
| Sub: sublobar resection; Lob: lobectomy; SD: standard deviation; ELN: examined lymph node; MFT: mean follow-up time. | ||||
| Age (Mean±SD, yr) | 70±6 | 74±6 | 72±7 | 0.002 |
| Age group (yr) | 0.009 | |||
| 60-74 | 84 (76.4) | 33 (57.9) | 213 (61.2) | |
| 75 | 26 (23.6) | 24 (42.1) | 135 (38.8) | |
| Gender | 0.600 | |||
| Male | 55 (50.0) | 24 (42.1) | 160 (46.0) | |
| Female | 55 (50.0) | 33 (57.9) | 188 (54.0) | |
| Race | 0.120 | |||
| White | 97 (88. 2) | 54 (94.7) | 296 (85.1) | |
| Black/other | 5/8 (11.8) | 1/2 (5.3) | 33/19 (14.9) | |
| Location | 0.019 | |||
| Upper | 63 (57.3) | 31 (54.4) | 216 (62.1) | |
| Middle | 15 (13.6) | 3 (5.3) | 17 (4.9) | |
| Lower | 32 (29.1) | 23 (40.3) | 115 (33.0) | |
| Tumor size (cm) | < 0.001 | |||
| ≤2 | 62 (56.4) | 46 (80.7) | 162 (46.6) | |
| 2-3 | 48 (43.6) | 11 (19.3) | 186 (53.4) | |
| ELN count | < 0.001 | |||
| None/unknown | 11/22 (29.7) | 32/4 (63.2) | 334/14 (97.5) | |
| ≥1 | 78 (70.3) | 21 (36.8) | 9 (2.5) | |
| Radiation | < 0.001 | |||
| No/unknown | 96/1 (88.2) | 47/1 (84.2) | 153/9 (46.6) | |
| Yes | 13 (11.8) | 9 (15.8) | 186 (53.4) | |
| Chemotherapy | 0.003 | |||
| No/unknown | 51 (46.4) | 22 (38.6) | 102 (29.3) | |
| Yes | 59 (53.6) | 35 (61.4) | 246 (70.7) | |
| MFT (mo) | 58 | 48 | 26 | < 0.001 |