Table 1 Clinicopathological characteristics of the non-Bursectomy group and the bursectomy group
Characteristics | Non-bursectomy group | Bursectomy group | p value |
|---|---|---|---|
N = 247 (%) | N = 159 (%) | ||
Age (years) | 58.3 ± 12.2 | 57.3 ± 11.5 | 0.385 |
Gender | 0.513 | ||
Male | 160 (64.8) | 108 (67.9) | |
Female | 87 (35.2 | 51 (32.1) | |
Cross-sectional location | 0.008 | ||
Lesser | 124 (50.2) | 101 (63.5) | |
Greater | 15 (6.1) | 11 (6.9) | |
Anterior | 34 (13.8) | 8 (5.0) | |
Posterior | 40 (16.2) | 15 (9.4) | |
Circumferential involvement | 34 (13.8) | 24 (15.1) | |
Longitudinal location | <0.001 | ||
U | 28 (11.2) | 62 (39.0) | |
M | 45 (18.2) | 22 (13.8) | |
L | 174 (70.4) | 75 (47.2) | |
Differentiation grade | 0.328 | ||
Well-moderate | 29 (11.7) | 24 (15.1) | |
Poor-undifferentiated | 218 (88.3) | 135 (84.9) | |
Macroscopic type | 0.307 | ||
Type 1 | 14 (5.7) | 4 (2.5) | |
Type 2 | 99 (40.1) | 75 (47.2) | |
Type 3 | 118 (47.8) | 71 (44.7) | |
Type 4 | 16 (6.5) | 9 (5.7) | |
Tumor size (cm) | 5.7 ± 2.4 | 5.6 ± 2.3 | 0.537 |
Surgical duration (min) | 227.9 ± 48.6 | 260.1 ± 43.4 | <0.001 |
Blood loss (ml) | 201.1 ± 53.7 | 198.9 ± 63.5 | 0.729 |
Resection patterns | <0.001 | ||
DG | 184 (74.5) | 73 (45.9) | |
TG | 63 (25.5) | 86 (54.1) |