Table 2 Comparison of related clinical indexes between the two groups (\(\overline{x }\) ± s)
From: Percutaneous screw fixation assisted by hollow pedicle finder for superior pubic ramus fractures
Group | n | Operation time (minutes) | Blood loss (ml) | Screw length (mm) | Incision length (cm) | Fracture healing time (weeks) |
|---|---|---|---|---|---|---|
A | 32 | 46.3 ± 7.6 | 72.5 ± 10.8 | 67.8 ± 4.7 | 7.8 ± 1.1 | 23.1 ± 2.1 |
B | 36 | 37.8 ± 6.6 | 31.0 ± 7.7 | 67.0 ± 4.9 | 3.4 ± 0.9 | 22.7 ± 2.1 |
Statistic | t = 4.890 P = 0.000 | t = 18.038 P = 0.000 | t = 0.797 P = 0.431 | t = 16.772 P = 0.000 | t = 0.823 P = 0.417 | |