Table 1.
Basic clinical characteristics of all patients.
| Variables | All patients (n=163) | CR/PR (n=112) | SD (n=31) | PD (n=20) | p a |
|---|---|---|---|---|---|
| Age (y) | 27 (7~40) | 25 (7~40) | 28 (9~39) | 31.5 (9~40) | 0.099 |
| Sex, male (%) | 98 (60.12) | 66 (58.93) | 19 (61.29) | 13 (65.00) | 0.673 |
| TNM stage, n (%) | 0.917 | ||||
| I | 69 (42.33) | 48 (42.86) | 13 (41.94) | 8 (40.00) | |
| II | 53 (32.52) | 37 (33.04) | 10 (32.26) | 6 (30.00) | |
| III | 41 (25.15) | 27 (24.11) | 8 (25.81) | 6 (30.00) | |
| Site of tumor, n (%) | 0.643 | ||||
| Femur | 84 (51.53) | 56 (50.00) | 17 (54.84) | 11 (55.00) | |
| Tibia/fibula | 36 (22.09) | 25 (22.32) | 7 (22.58) | 4 (20.00) | |
| Humerus | 21 (12.88) | 16 (14.29) | 3 (9.68) | 2 (10.00) | |
| Pelvis | 12 (7.36) | 9 (8.04) | 2 (6.45) | 1 (5.00) | |
| Head/neck | 9 (5.52) | 5 (3.07) | 2 (6.45) | 2 (10.00) | |
| Other | 1 (0.61) | 1 (0.89) | 0 (0) | 0 (0) | |
| Necrosis, n (%) | |||||
| Good (≥90%) | 52 (31.90) | – | – | – | |
| Poor (<90%) | 111 (68.10) | – | – | – | |
a
Comparison for continuous data were analyzed by Kruskal-Wallis test post hoc for comparison among three or more groups for non-normally distributed data (age). Rates were compared by Chi square test.