Location, age and time loss of lumbar stress fracture
| Location | Incidence | Non-dominant (%) | Mean age: years (mean±SD) | Time loss: days (mean, 95% CI) |
| L3 | 7 | 100 | 21.57±2.35 | 304 (160 to 448) |
| L4 | 20 | 90 | 22.52±3.61 | 211 (163 to 237) |
| L5 | 18 | 89 | 23.37±4.36 | 233 (190 to 298) |
| Bilateral | 3 | N/A | 24.61±8.13 | 247 (0 to 752) |
| Multiple | 6 | 100 | 22.30±4.21 | 263 (86 to 440) |
| Unknown | 3 | N/A | 23.57±3.40 | 261 (61 to 461) |
| Total | 57 | 93. | 22.81±3.96 | 239 (207 to 271) |
N/A, not applicable.