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Table 2 Operation index and clinical efficacy of PFNA and CPH in treating intertrochanteric fractures in the elderly (\( \overline{x} \) ±s)

From: Proximal femoral nail anti-rotation versus cementless bipolar hemiarthroplasty for unstable femoral intertrochanteric fracture in the elderly: a retrospective study

Group Cases (n) Operation time (min) Bleeding volume (ml) Weight training time (d) Hospital stay (d) Harris score
PFNA group 61 53.7 ± 15.2 132.5 ± 33.2 28.2 ± 3.7 7.6 ± 1.8 87.7 ± 7.9
CPH group 47 77.5 ± 16.8 286.3 ± 43.2 3.1 ± 1.2 6.9 ± 2.2 88.3 ± 9.2
t value   7.71 20.93 46.70 1.82 0.36
P value   0.001 0.001 0.001 0.054 0.082