1.
147例入组患者临床特征
Characteristics of 147 patients with stage Ib upper lobe non-small cell lung cancer
| Characteristics | n (%) | Right upper lobe [n (%)] |
Left upper lobe [n (%)] |
P | |
| LN: lymph nodes; MLN: mediastinal lymph nodes; SMLNS: superior mediastinal lymph node stations | |||||
| Age (yr) | 0.30 | ||||
| < 58 | 51 (34.7) | 30 (39.5) | 21 (29.6) | ||
| 58-68 | 56 (38.1) | 29 (38.2) | 27 (38.0) | ||
| > 68 | 40 (27.2) | 17 (22.4) | 23 (32.4) | ||
| Sex | 0.09 | ||||
| Female | 64 (43.5) | 28 (36.8) | 36 (50.7) | ||
| Male | 83 (56.5) | 48 (63.2) | 35 (49.3) | ||
| Histological type | 0.77 | ||||
| Adenocarcinoma | 96 (65.3) | 50 (65.8) | 46 (64.8) | ||
| Squamous | 37 (25.2) | 20 (26.3) | 17 (23.9) | ||
| Adenosquamous | 14 (9.5) | 6 (7.9) | 8 (11.3) | ||
| Grade of differentiation | 0.82 | ||||
| Well | 74 (50.3) | 41 (53.9) | 33 (46.5) | ||
| Moderately | 53 (36.1) | 26 (34.2) | 27 (38.0) | ||
| Poorly | 13 (8.8) | 6 (7.9) | 7 (9.9) | ||
| Unknown | 7 (4.8) | 3 (3.9) | 4 (5.6) | ||
| Visceral pleura invasion | 0.73 | ||||
| Present | 129 (87.8) | 66 (86.8) | 63 (88.7) | ||
| Absent | 18 (12.2) | 10 (13.2) | 8 (11.3) | ||
| Tumor size (cm) | 0.07 | ||||
| ≤3 | 60 (40.8) | 37 (48.7) | 23 (32.4) | ||
| 3.1-5 | 87 (59.2) | 39 (51.3) | 48 (67.6) | ||
| Number of removed LN | 0.22 | ||||
| < 7 | 112 (76.2) | 52 (68.4) | 60 (84.5) | ||
| ≥7 | 35 (23.8) | 24 (31.6) | 11 (15.5) | ||
| Number of removed MLN | 0.06 | ||||
| < 4 | 106 (72.1) | 47 (61.8) | 59 (83.1) | ||
| ≥4 | 41 (27.9) | 29 (38.2) | 12 (16.9) | ||
| Number of removed SMLNS | 0.004 | ||||
| < 2 | 55 (37.4) | 20 (26.3) | 35 (49.3) | ||
| ≥2 | 92 (62.6) | 56 (73.7) | 36 (50.7) | ||