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Table 1 Characteristics of included studies

From: The likelihood of total knee arthroplasty following arthroscopic surgery for osteoarthritis: a systematic review

  Author and Year Country Follow-Up (Years) Mean Duration (years) Analysis Group Total TKA Annual Incidence (%) Lower 95% CI Upper 95% CI
Clinical Cohort Selected for More Severe OA KL ≥ 3 Bernard et al. (2004) [22] U.K. 5 Unknown 100 11 2.20% 1.10% 3.90%
KL = 4 Bin et al. (2008) [34] South Korea 4 4 68 4 1.36% 0.37% 3.43%
Outerbridge ≥2 Koyonos et al. (2009)a [16] U.S.A. 1 0.5 30 1 3.33% 0.08% 17.22%
0 29 0 0.00% 0.00% 11.94%
KL ≥ 3 Lyu et al. (2015) [35] Taiwan 1 1 844 116 13.74% 11.49% 16.25%
KL = 4 Pearse and Craig (2003) [36] U.K. 4 4 126 39 7.14% 5.13% 9.64%
KL ≥ 3 Rand et al. (1985) [37] U.S.A. 2 0.5 87 2 1.15% 0.14% 4.09%
Outerbridge ≥2 Skedros et al. (2014) [30] U.S.A. 3 3 42 11 8.73% 4.44% 15.08%
KL ≥ 3 Steadman et al. (2013) [31] U.S.A. 10 4.4 69 43 6.23% 4.55% 8.30%
Unselected     2 8 0 0.00% 0.00% 8.81%
Jackson et al. (2003)a [25] U.S.A. 5 32 0 0.00% 0.00% 2.28%
39 3 1.54% 0.32% 4.43%
    42 12 5.71% 2.99% 9.77%
McGinley et al. (1999) [27] U.S.A. 13 7 91 30 2.50% 1.69% 3.55%
Raaijmaakers et al. (2010) [28] Belgium 3 1 183 40 6.83% 4.92% 9.18%
Sansone et al. (2015) [29] Italy 20 13.3 75 12 0.80% 0.41% 1.39%
Registry Selected for Older Age Age > 60 Dearing et al. (2010) [38] U.K. 9 6 3033 800 2.93% 2.73% 3.14%
Age > 65 Johanson et al. (2011) [26] U.S.A. 10 9 40,804 13,261 3.25% 3.20% 3.30%
Age > 50 Wai et al. (2002) [32] Canada 3 3 6212 1146 6.15% 5.81% 6.50%
Unselected Adelani et al. (2016)a [39] U.S.A. 4 2 6972 266 0.95% 0.84% 1.07%
10,645 496 1.16% 1.06% 1.27%
Fedorka et al. (2014) [23] U.S.A. 5 Unknown 159,975 8319 1.04% 1.02% 1.06%
Harris et al. (2013) [40] Australia 8 2 121,115 9110 0.94% 0.92% 0.96%
  U.K 1993   Unknown 6158 985 3.20% 3.00% 3.40%
9048 1728 3.82% 3.64% 4.00%
Hawker et al. (2008)a [24] UK 1997
Canada 1993
5
3803 745 3.92% 3.65% 4.20%
  Canada 1997  
3425 712 4.16% 3.86% 4.47%
Zikria et al. (2016) [41] U.S.A. 7 Unknown 842 131 2.22% 1.86% 2.63%
  1. aStudies contain multiple unique study arms, which were separated for our analysis; Jackson rows: Severity stages I, II, III, IV
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