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Table 2 Surgical and immediate postoperative data

From: Minimally invasive anterolateral approach versus direct anterior approach total hip arthroplasty in the supine position: a prospective study based on early postoperative outcomes

Variable MAA DAA P value
Surgery time (min) 62.4 ± 9.05 71 ± 8.01 < 0.001
Incision (cm) 9.86 ± 0.99 10.04 ± 1.07 0.385
Blood loss (ml) 132.6 ± 43.31 159.23 ± 37.25 0.002
Hb drop (g/L) 29.56 ± 8.02 36.4 ± 7.12 < 0.001
Blood transfusion (n) 2 (4.0%) 9 (18.8%) 0.021
Post-op hospital stay (day) 4.6 ± 1.14 4.77 ± 1.17 0.467
VAS (points)    
 1 day post‐op 4.2 ± 0.99 4.38 ± 0.82 0.343
 3 day post‐op 2.82 ± 0.83 2.79 ± 0.8 0.863
 7 day post‐op 2.24 ± 0.52 2.38 ± 0.57 0.222
Cup inclination (°) 41.96 ± 4.45 40.71 ± 4.09 0.151
Cup anteversion (°) 16.64 ± 5.63 15.92 ± 5.01 0.504
Femoral stem position (n)    0.963
 Valgus 0 (0%) 0 (0%)  
 Neutral 48 (96.0%) 45 (93.8%)  
 Varus 2 (4.0%) 3 (6.2%)  
  1. P value < 0.05 was shown in bold