Table 1 Clinical characteristics of patients
LM | non-LM | χ2/ t value | P value | |
|---|---|---|---|---|
Sex | χ2 = 0.749 | 0.387 | ||
Male | 111 (55.5%) | 170 (59.4%) | ||
Female | 89 (44.5%) | 116 (40.6%) | ||
Age (years) | ||||
Mean ± SD | 19.4 ± 13.7 | 19.0 ± 12.2 | t = -0.328 | 0.146 |
Location | χ2 = 5.418 | 0.367 | ||
Femur | 123 (61.5%) | 165 (57.7%) | t = -3.437 | 0.001 |
Tibia | 35 (17.5%) | 70 (24.5%) | ||
Fibula | 7 (3.5%) | 9 (3.1%) | ||
Humerus | 22 (11.0%) | 21 (7.4%) | ||
Pelvis | 9(4.5%) | 12 (4.2%) | ||
Others | 4 (2.0%) | 9 (3.1%) | ||
Size (cm) | ||||
Mean ± SD | 10.6 ± 4.6 | 9.3 ± 4.0 | ||
Surgical resection | χ2 = 0.470 | 0.493 | ||
Wide resection | 198 (99.0%) | 281 (98.3%) | ||
Marginal resection | 2 (1.0%) | 5 (1.7%) | ||
ALP | χ2 = 97.137 | <0.001 | ||
Normal | 77 (38.5%) | 235 (82.2%) | ||
Elevation | 123 (61.5%) | 51 (17.8%) | ||
NCT | χ2 = 0.479 | 0.489 | ||
Yes | 163 (81.5%) | 226 (79.0%) | ||
No | 37 (18.5%) | 60 (21.0%) |