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Table 1 Characteristics and demographic data of included randomized controlled trials

From: Comparison of functional outcomes between single-radius and multi-radius femoral components in primary total knee arthroplasty: a meta-analysis of randomized controlled trials

Study Year Country Number of patients Number of knees CR/PS Brand of prosthesis (SR: MR) SR MR Gender (M/F) Average age (y) Mean follow-up (mo)
SR MR SR MR
Hall [14] 2008 USA 100 100 CR Scorpio: PFC 50 50 n/s n/s 69.5 72.6 12
Molt [24] 2012 Sweden 60 60 CR Triathlon: Duracon 30 30 8/22 13/17 69 66 24
Jo [21] 2014 South Korea 100 100 CR Scorpio: NexGen 50 50 6/44 9/41 66.4 67.5 36.8
Hamilton [20] 2015 UK 212 212 CR Triathlon: Kinemax 108 104 46/62 35/69 69.3 68.8 36
Kim [22] 2015 South Korea 120 120 PS Triathlon: PFC Sigma 60 60 n/s n/s 67.2 67.2 12
Larsen [23] 2015 USA 32 32 PS Triathlon: Vanguard 16 16 8/8 8/8 71.6 70.9 12
Collados-Maestre [19] 2017 Spain 237 237 CR Trekking: Multigen 118 119 37/81 35/84 71.9 10.6 68.4
Wellman [26] 2017 USA 40 40 CR Triathlon: NexGen 20 20 8/12 10/10 61.9 63.1 12
Mushtaq [25] 2018 UK 105 105 PS Scorpio: AGC 51 54 n/s n/s n/s n/s 12
  1. SR single radius, MR multiple radius, M male, F female, n/s not stated, mo month, CR cruciate-ligament-retaining, PS posterior-cruciate-ligament-stabilized