Table 1 Comparison of baseline characteristics
VARIABLE | OVERALL (n = 573) | CONSERVATIVE TREATMENT (n = 489) | SURGICAL TREATMENT (n = 84) | p value |
|---|---|---|---|---|
Mean Age, yr (SD) | 74.5 (10.3) | 74.6 (10.4) | 73.8 (10.0) | 0.497 |
Gender Female, n (%) | 411 (71.7) | 351 (71.8) | 60 (71.4) | 0.947 |
History of cancer, n (%) | 115 (20.1) | 96 (19.3) | 19 (22.6) | 0.528 |
Chronic steroid treatment, n (%) | 77 (13.4) | 67 (13.7) | 10 (11.9) | 0.656 |
Previous fracture, n (%) | 163 (28.5) | 128 (26.2) | 35 (41.6) | 0.004 |
Osteoporosis-diagnosis, n (%) | 195 (34.0) | 160 (32.7) | 35 (41.7) | 0.110 |
Osteoporosis-therapy, n (%) | 180 (31.7) | 150 (31.0) | 30 (35.7) | 0.390 |
Mechanism of fracture, n (%) | Â | Â | Â | 0.326 |
Spontaneous | 137 (24.0) | 115 (23.5) | 22 (26.2) | Â |
Fall | 346 (60.5) | 293 (59.9) | 53 (63.1) | Â |
Overexertion | 59 (10.3) | 51 (10.4) | 8 (9.5) | Â |
High-energy trauma | 30 (5.2) | 29 (5.9) | 1 (1.2) | Â |
Spine segment, n (%) | Â | Â | Â | 0.893 |
Dorsal | 219 (38.2) | 186 (38.0) | 33 (39.3) | Â |
Lumbar | 292 (51.0) | 251 (51.3) | 41 (48.8) | Â |
Dorsal & lumbar | 62 (10.8) | 52 (10.6) | 10 (11.9) | Â |
Posterior wall injury (type A3 & A4 AOSpine classification), n (%) | 121 (22.3) | 96 (20.9) | 25 (29.8) | 0.073 |
Multiple level, n (%) | 134 (23.4) | 110 (22.5) | 24 (28.6) | 0.224 |
Midline spine tenderness, n (%) | 382 (72.3) | 315 (70.6) | 67 (81.7) | 0.039 |
Median follow-up, wk (IQR) | 20.5 (12; 29) | 21 (13; 29) | 15 (8; 27) | 0.155 |