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Table 3 The measurements on plain film radiograph at 1-Day postoperative

From: The impact of the union of lesser trochanter fragments after intramedullary fixation of trochanteric femoral fractures: an X-ray based study

Characteristics

Union group (n = 31)

Nonunion group (n = 22)

Mean difference, 95%CI

P

Vertical displacement (A, mm)

76.4 ± 9.1

69.8 ± 15.4

6.6 (-0.17–0.88)

0.056

Horizontal displacement (B, mm)

59.9 ± 8.1

64.8 ± 7.7

-4.9 (-9.22–0.58)

0.027

Vertical distance of healthy side (A1, mm)

82.7 ± 8.7

80.7 ± 5.0

2 (-2.13–6.19)

0.291

Horizontal distance of healthy side (B1, mm)

51.5 ± 7.4

48.3 ± 4.5

3.2 (-0.35–6.75)

0.076

The ratio of displacement (|(A-A1) |/A1 +|(B-B1) |/B1)

0.3 ± 0.1

0.5 ± 0.2

-0.3 (-0.34–0.17)

 < 0.001

  1. Data are expressed as mean ± standard deviation (SD), and data in bold indicate significant differences