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Table 1 Characteristics of included studies

From: Outcome of arthroscopic treatment for symptomatic femoroacetabular impingement

Study Year Year Male Age Sample size Follow up PROM Pre Post
Larson and Giveans [6] 2008 56% 34.7 96 9.9 month VAS 6.74 1.88
Horisberger et al. [4] 2010 73% 40.9 105 2.3 years VAS 5.5 1.5
Larson and Giveans [10] 2009 61% (debrid) 32 44 44 months VAS 6.5 1.7
58% (refix) 28 50 41 months VAS 5.7 0.7
Palmer et. al [5] 2012 49% 40.2 201 46 months VAS 6.8 2.7
Bardakos et al. [11]* 2008 58% 33 24 1 year mHHS 65 91
Byrd et al. [12] 2009 69% 33 200 16 months mHHS 65 85
Clohisy et al. [7] 2010 80% 34 35 2.2 year mHHS 63.8 85.9
Haviv et al. [13] 2010 80% 37 166 22 months mHHS 70.7 86.1
Byrd and Jones [9] 2011 67% 34 100 2 years mHHS 65 86.5
Byrd et al. [14] 2011 74% 28.6 116 19 Months mHHS 72 96
Philippon et al. [15] 2009 45% 40.6 112 2.3 years mHHS 58 84.3
      HOS 70 87.8
Nho et al. [2] 2011 72% 22.8 47 27 months mHHS 68.6 88.5
      HOS 78.8 91.4
  1. *MHHS is multiplied with 1.1. This makes the scores comparable with the other studies [16].
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