Table 2.
Comparison of clinical, radiological, functional outcomes and complications between the two groups at the last visit
| Variable | K-wire combined with screw n = 39 |
K-wire cross fixation n = 32 |
p |
|---|---|---|---|
| Mean time from injury to surgery(d) | 6.4(2–10) | 5.7(1–12) | 0.24 |
| Mean follow-up(mo) | 7.8(6–12) | 8.1(6–12) | 0.42 |
| Mean operative time(min) | 47.7(35–57) | 34.6(26–43) | < 0.001 |
| Mean TAM | 259.4(251–265) | 223.7(214–245) | < 0.001 |
| Mean pinch strength % of healthy side | 95.6(92.3–98.6) | 94.8(90.2–98.6) | 0.18 |
| Mean time to union(wk) | 4.2(4.0–5.0) | 5.2(4.0–6.0) | < 0.001 |
| Mean pain assessment on VAS (0–10) | 0.60(0–2) | 1.2(0–4) | < 0.001 |
| Mean quick DASH score (0–100) | 6.1(2–22) | 8.7(2–34) | 0.661 |
|
Cost(US$) Overall complications |
349(297–401) 2(5.1%) |
611(531–700) 7(21.9%) |
< 0.001 |
| Infection | 0 | 2 | |
| Reduction loss | 0 | 4 | |
| Nonunion | 0 | 0 | |
| Nerve injury | 0 | 1 | |
| Scar hypertrophy | 2 | 0 |
Percentages show involved hand compared with opposite normal hand; TAM: We regard the sum of active ROM of the metacarpophalangeal joint and interphalangeal joint of the affected finger as TAM.