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Table 1 Patient characteristics in both groups

From: Proximal femoral nails anti-rotation versus dynamic hip screws for treatment of stable intertrochanteric femur fractures: an outcome analyses with a minimum 4 years of follow-up

Variable PFNA (n = 110) DHS (n = 112) P value
Age (years) 72.02 ± 6.50 73.05 ± 7.48 0.272
Sex (M:F) 51:59 57:55 0.500
ASA grade, No.    0.738
 I 36 29 0.263
 II 12 13 0.869
 III 29 33 0.941
 IV 33 37 0.626
Quality of bone (Singh’s index grade)    0.412
  ≤ 3 47 54  
  > 3 63 58  
Length of follow-up (months) 52.83 ± 8.58 53.71 ± 7.65 0.417
Body Mass Index(BMI, kg/m2) 30.64 ± 1.35 31.03 ± 2.19 0.111
AO/OTA classification(NO.)    0.729
 3.1A1.1 43 42 0.807
 3.1A1.2 33 39 0.443
 3.1A1.3 34 31 0.597
Quality of reduction    0.465
 Good 98 103  
 Acceptable 12 9  
 Poor 0 0  
Mean time to bone healing(weeks) 14.54 ± 2.39 15.08 ± 2.26 0.083
Pre-operative Harris Hip Score(HHS) 39.40 ± 2.99 39.60 ± 2.98 0.622