Table 1.
Patient, fracture, and major fracture healing characteristics
| Demographics and fracture characteristics | Segmental fractures | Nonsegmental fractures | p value |
|---|---|---|---|
| Age (years) | 47 (16–79) | 40 (19–82) | 0.589 |
| Sex (male/female) | 22/8 | 24/6 | 0.542 |
| Presence of diabetes | 1/30 | 0/30 | 0.313 |
| AO class fracture | 42C2 (n = 30) | 42A1 (n = 8) | < 0.001 |
| 42A2 (n = 6) | |||
| 42A3 (n = 7) | |||
| 42B1 (n = 3) | |||
| 42B2 (n = 4) | |||
| 42B3 (n = 2) | |||
| Number open/closed fractures | 17/30 | 16/30 | 0.795 |
| Gustilo and Anderson Grade II/III | 8/30 | 8/30 | 1.000 |
| Additional injuries | 21/30 | 20/30 | 0.781 |
| Time to initial surgery (hours) | 4 (1–48) | 6 (1–48) | 0.975 |
| Duration of initial surgery (minutes) | 98 (40–400) | 165 (40–430) | 0.979 |
| Type of initial fixation | 0.776 | ||
| Unreamed IMN | 18 | 20 | |
| Reamed IMN | 4 | 4 | |
| Plate osteosynthesis | 3 | 1 | |
| External fixation | 5 | 5 | |
| Length of initial hospital stay (days) | 23 (3–78) | 20 (2–96) | 0.802 |
| Delayed union | 21/29 | 9/30 | 0.001 |
| Nonunion | 4/29 | 0/30 | 0.035 |
| Amputation | 1/30 | 0/30 | 0.313 |
| Time to union (weeks) | 34 (12–122) | 24 (11–39) | < 0.001 |
| Proximal fracture (weeks) | 28 (12–122) | NA | NA |
| Distal fracture (weeks) | 32 (12–122) | NA | NA |
| Need for unplanned reoperation | 17/29 | 9/30 | 0.027 |
| Duration of followup (months) | 16 (5–54) | 15 (8–30) | 0.827 |
Data are medians and ranges or absolute numbers; IMN = intramedullary nailing; NA = not applicable.