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Table 2 Comparison of operation data and functional outcomes between two groups

From: Efficacy and safety of a novel personalized navigation template in proximal femoral corrective osteotomy for the treatment of DDH

  Conventional group (n = 14) Navigation template group (n = 15) P value
Osteotomy degrees, ° 23.6 ± 7.3 18.3 ± 5.4 0.0003
Shortening length, cm 2.3 ± 0.7 2.4 ± 0.3 0.1149
Radiation exposure, times 8.1 ± 2.8 3.0 ± 1.4 < 0.0001
Operation time, min 37.3 ± 8.8 20.6 ± 3.9 < 0.0001
McKay standard, n (%)    0.0362
 Excellent 5 (35.7) 13 (86.7)  
 Good 5 (35.7) 1 (6.7)  
 Fair 2 (14.3) 1 (6.7)  
 Poor 2 (14.3) 0