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Table 5 Operative complications and acetabular outliers*

From: Minimally invasive and computer-navigated total hip arthroplasty: a qualitative and systematic review of the literature

   No. of complications No. of outliers
Study Methodological quality Study group Control group OR (95% CI) Study group Control group OR (95% CI)
MIS        
Lawlor et al. [31] High 3/109 4/110 0.75 (0.16, 3.43)    NR
Chimento et al. [4] High 3/28 2/32 1.80 (0.28, 11.64) 0 0 -
Ogonda et al. [34] High 3/109 6/110 0.75 (0.16, 3.43) 16/105 19/109 0.85 (0.41, 1.76)
Kim [30] High 3/70 2/70 1.52 (0.25, 9.40) 13/70 11/70 1.22 (0.51, 2.95)
Chung et al. [23] Medium 3/57 5/55 0.58 (0.13, 2.54) 0 0 -
Khan et al. [29] Medium 15/100 21/100 0.66 (0.32, 1.38) 3/100 3/100 1.00 (0.20, 5.08)
Dorr et al. [26] Medium 2/30 3/30 0.64 (0.10, 4.15) 0 0 -
Ciminiello et al. [24] Medium 0 0 - 0 0 -
Dutka et al. [27] Medium 1/60 1/60 1.00 (0.06, 16.37) 0 0 -
Hart et al. [28] Medium 1/60 1/60 1.00 (0.06, 16.37) 0 0 -
Mazoochian et al. [37] Medium 4/26 3/26 1.39 (0.28, 6.95)    NR
Rittmeister & Peters [35] Medium 7/76 6/76 1.18 (0.38, 3.70)    NR
Speranza et al. [36] Medium 3/46 0/54 8.77 (0.44, 174.38) 1/46 3/54 0.38 (0.04, 3.76)
DiGioia et al. [17] Medium 0 0 - 0 0 -
De Beer et al. [25] Medium 1/30 2/30 0.48 (0.04, 5.63) 0 0 -
Levine et al. [32] Medium 14/126 13/75 0.60 (0.26, 1.35)    NR
Nakamura et al. [33] Medium 1/50 2/42 0.41 (0.04, 4.67) 4/50 5/42 0.64 (0.16, 2.57)
CAS        
Leenders et al. [16] High    NR 7/50 14/50 0.42 (0.15, 1.15)
Parratte & Argenson [40] High 0 0 - 6/30 17/30 0.19 (0.06, 0.60)
Kalteis et al. [15] (CT-based) High 0/30 1/30 0.32 (0.01, 8.24) 5/30 16/30 0.17 (0.05, 0.58)
Kalteis et al. [15] (Imageless) High 0/30 1/30 0.32 (0.01, 8.24) 2/30 16/30 0.06 (0.01, 0.31)
Kalteis et al. [38] Medium 0 0 - 2/23 11/22 0.10 (0.02, 0.51)
Sugano et al. [41] Medium 0/60 7/120 0.13 (0.01, 2.23) 0/59 31/111 0.02 (0.00, 0.36)
Najarian et al. [39] Medium 2/47 2/53 1.13 (0.15, 8.38) 6/47 18/53 0.28 (0.10, 0.80)
Wixson & MacDonald [18] Medium 2/82 1/50 1.23 (0.11, 13.87) 17/82 18/50 0.46 (0.21, 1.02)
  1. No. = number; OR = Odds ratio; 95% CI = 95% confidence interval; NR = outcome measure not reported. Articles report on the same study population.
  2. * An OR below 1 with 95% CI indicates lower odds for complications and outliers in favor of the study group.