Table 1 Characteristics of patients with or without loco-regional recurrence and distant metastasis after resection for clinical stage I NSCLC
From: Risk factors of postoperative recurrences in patients with clinical stage I NSCLC
Locoregional recurrence | Distant metastasis | |||||
|---|---|---|---|---|---|---|
No (n = 244) (100%) | Yes (n = 17) (100%) | p-valuea | No (n = 241) (100%) | Yes (n = 20) (100%) | p-valuea | |
Sex: | ||||||
Male | 110 (45.08) | 7 (41.18) | 0.806 | 108 (44.81) | 9 (45) | 0.989 |
Female | 134 (54.92) | 10 (58.82) | 133 (55.19) | 11 (55) | ||
Histopathology: | ||||||
Adenocarcinoma | 209 (85.66) | 17 (100) | 0.140 | 210 (87.14) | 16 (80) | 0.322 |
Other | 35 (14.34) | 0 (0) | 31 (12.86) | 4 (20) | ||
Differentiation: | ||||||
Well | 98 (40.16) | 4 (23.53) | 99 (41.08) | 3 (15) | ||
Moderate | 97 (39.75) | 5 (29.41) | 0.032 | 93 (38.59) | 9 (45) | 0.035 |
Poor | 49 (20.08) | 8 (47.06) | 49 (20.33) | 8 (40) | ||
Location: | ||||||
Central | 125 (51.23) | 11 (64.71) | 0.324 | 124 (51.45) | 12 (60) | 0.494 |
Peripheral | 119 (48.77) | 6 (35.29) | 117 (48.55) | 8 (40) | ||
Adjuvant chemotherapy: | ||||||
Yes | 89 (36.48) | 8 (47.06) | 0.440 | 80 (33.2) | 3 (15) | < 0.001 |
No | 155 (63.52) | 9 (52.94) | 161 (66.8) | 17 (85) | ||
LVSI: | ||||||
Absent | 222 (90.98) | 14 (82.35) | 0.214 | 221 (91.7) | 15 (75) | 0.031 |
Present | 22 (9.02) | 3 (17.65) | 20 (8.3) | 5 (25) | ||
Operation: | ||||||
Lobectomy | 228 (93.44) | 17 (100) | 0.609 | 225 (93.36) | 20 (100) | 0.620 |
Wedge | 16 (6.56) | 0 (0) | 16 (6.64) | 0 (0) | ||
p-stage: | ||||||
I | 169 (69.26) | 10 (58.82) | 0.002 | 168 (69.71) | 11 (55) | 0.232 |
II | 44 (18.03) | 3 (17.65) | 40 (16.60) | 7 (35) | ||
III | 31 (12.71) | 3 (17.65) | 32 (13.28) | 2 (10) | ||
IV | 0 (0) | 1 (5.88) | 1 (0.41) | 0 (0) | ||