Table 2.
Failures after first treatment
| Failures | Steroids (n = 94) | Curettage (n = 39) | SDB (n = 34) | p Value* | Overall (n = 167) |
|---|---|---|---|---|---|
| Overall | 79/94 (84) | 25/39 (64) | 17/34 (50) | < 0.001 | 121/167 (73) |
| By location | |||||
| Femur | 12/13 (92) | 23/34 (68) | 4/5 (80) | 0.21 | 39/52 (75) |
| Humerus | 67/81 (83) | 2/5 (40) | 13/29 (45) | < 0.001 | 83/115 (72) |
| By age | |||||
| 0–4 years | 7/8 (88) | 5/6 (83) | 2/3 (67) | 0.72 | 14/17 (82) |
| 5–9 years | 43/49 (88) | 8/11 (72) | 9/14 (64) | 0.11 | 60/79 (81) |
| 10–14 years | 26/32 (81) | 11/19 (58) | 6/15 (40) | 0.016 | 43/66 (65) |
| 15–19 years | 3/5 (60) | 1/3 (33) | 0/2 (0) | 0.53 | 4/10 (40) |
Values are expressed as the number of failures/the total number of patients in a group; values in parentheses represent percentage of failures; *p values based on Pearson’s chi square test; SDB = combination of steroids, demineralized bone matrix, and bone marrow aspirate.