Table 1 Baseline of patients with differential HDL-C levels
Factor | Before matching | After matching | ||||
|---|---|---|---|---|---|---|
HDL-low n = 31 | HDL-normal n = 30 | P | HDL-low n = 23 | HDL-normal n = 23 | P | |
Sex | ||||||
Male | 25 (80.6) | 18 (60.0) | 0.097 | 18 (78.3) | 18 (78.3) | 1.000 |
Female | 6 (19.4) | 12 (40.0) | 5 (21.7) | 5 (21.7) | ||
Age | ||||||
< 60 yr | 8 (25.8) | 12 (40.0) | 0.283 | 7 (30.4) | 7 (30.4) | 1.000 |
≥ 60 yr | 23 (74.2) | 18 (60.0) | 16 (69.6) | 16 (69.6) | ||
Tumor location | ||||||
Upper 1/3 | 6 (19.4) | 3 (10.0) | 0.223 | 5 (21.7) | 3 (13.0) | 0.536 |
Middle 1/3 | 8 (25.8) | 14 (46.7) | 6 (26.1) | 9 (39.1) | ||
Lower 1/3 | 17 (54.8) | 13 (43.3) | 12 (52.2) | 11 (47.8) | ||
Tumor size, cm | ||||||
< 3 cm | 8 (25.8) | 13 (43.3) | 0.184 | 8 (34.8) | 8 (34.8) | 1.000 |
≥ 3 cm | 23 (74.2) | 17 (56.7) | 15 (65.2) | 15 (65.2) | ||
Histological differentiation | ||||||
Well | 3 (9.7) | 1 (3.3) | 0.779 | 2 (8.7) | 1 (4.3) | 0.818 |
Moderate | 13 (41.9) | 13 (43.3) | 9 (39.1) | 11 (47.8) | ||
Poor | 15 (48.4) | 16 (53.3) | 12 (52.2) | 11 (47.8) | ||
T | ||||||
T1 | 6 (19.4) | 7 (23.3) | 0.849 | 6 (26.1) | 6 (26.1) | 1.000 |
T2 | 9 (29.0) | 7 (23.3) | 5 (21.7) | 5 (21.7) | ||
T3 | 12 (38.7) | 10 (33.3) | 9 (39.1) | 9 (39.1) | ||
T4 | 4 (12.9) | 6 (20.0) | 3 (13.0) | 3 (13.0) | ||
N | ||||||
Negative | 10 (32.3) | 17 (56.7) | 0.073 | 10 (43.5) | 10 (43.5) | 1.000 |
Positive | 21 (67.7) | 13 (43.3) | 13 (56.5) | 13 (56.5) | ||
M | ||||||
Negative | 31 (100.0) | 30 (100.0) | - | 23 (100.0) | 23 (100.0) | - |
Positive | 0 | 0 | 0 | 0 | ||
pStage | ||||||
I | 9 (29.0) | 10 (33.3) | 0.276 | 9 (39.1) | 7 (30.4) | 0.607 |
II | 10 (32.3) | 14 (46.7) | 6 (26.1) | 10 (43.5) | ||
III | 12 (38.7) | 6 (20.0) | 8 (34.8) | 6 (26.1) | ||