Table 2. Comparison of demographic variables between treatment groups.
| Variable | Group I | Group II | Group III | P value |
|---|---|---|---|---|
| Age (years) | 62.5 [6–87] | 64.5 [45–82] | 69.1 [51–88] | 0.534 |
| Sex | 0.772 | |||
| Male | 8 (53%) | 14 (42%) | 3 (43%) | |
| Female | 7 (47%) | 19 (58%) | 4 (57%) | |
| Anatomic site* | 0.298 | |||
| Epiphysis | 1 (7%) | 7 (21%) | 1 (14%) | |
| Metaphysis | 11 (73%) | 20 (61%) | 6 (86%) | |
| Diaphysis | 6 (40%) | 14 (42%) | 2 (29%) | |
| Follow up duration (weeks)# | 35.7 | 49.3 | 10.7 | 0.232 |
| Type of procedure | 0.318 | |||
| ORIF | 10 (67%) | 28 (85%) | 6 (86%) | |
| R/R | 5 (33%) | 5 (15%) | 1 (14%) | |
| Prognosis based on Jansen Co-Morbidity Index Score§ | – | |||
| Poor (6–10 points) | 4 | 3 | 0 | |
| Intermediate (3–5 points) | 6 | 13 | 6 | |
| Good (0–2 points) | 4 | 13 | 0 | |
| Average score | 4.21 | 3.28 | 4 | 0.192 |
*, Group I: AF surgical treatment; Group II: PST-High surgical treatment (prophylactic surgical treatment with high risk estimated by CTRA); Group III: PST-Low (PST with low risk estimated by CTRA). Anatomic site: 3 (30%) of Group I, 6 (18%) of Group II, and (29%) of Group III had lesions through 2 anatomic sites; 1 (3%) of Group II had lesions extending through 3 sites. #, follow-up duration: 3 patients in Group II and 1 patient in Group III had inadequate records to evaluate. §, prognosis based on Jansen Co-Morbidity Index Scores: 1 patient in Group 1, 4 patients in Group II, and 1 patient in Group III had inadequate records to evaluate. ORIF, open reduction and internal fixation; R/R, resection and reconstruction.