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Table 2 Risk of bias assessment summary (QUIPS)

From: Prognostic factors for progression of osteoarthritis of the hip: a systematic review

Study Study participation Study attrition Prognostic factor measurement Outcome measurement Study confounding Statistical analysis and reporting
Agricola et al. [11] Low Low Moderate Low Low Low
Agricola et al. [12] Low Low Moderate Low Moderate Low
Auquier et al. [13] Moderate Moderate Low Moderate High Moderate
Bastick et al. [15] Low Low Low Low Low Low
Bastick et al. [16] Low Low Low Low Low Low
Bergink et al. [17] Low Moderate Moderate Low Low Moderate
Bouyer et al. [20] Low High Moderate Moderate Low Low
Birrell et al. [19] Low Low Moderate Low Low Low
Castano Betancourt et al. [21] Low Low Low Low Low Low
Chaganti et al. [22] Low Low Low Low Moderate Low
Chevalier et al. [23] Moderate Low Low Low Moderate Moderate
Conrozier et al. [25] Moderate Low Low Low Low Low
Conrozier et al. [26] Moderate Low Low Low Low Low
Danielsson [27, 28] Low High High High High High
van Dijk et al. [29] Low Low Low Low Low Low
van Dijk et al. [30] Low Low Low Low Low Low
Dorleijn 2015 [31] Low Low Moderate Low Moderate Low
Dougados et al. [32] Low Low Low Low Low Low
Dougados et al. [33] Low Low Low Moderate High Moderate
Dougados et al. [34] Low Low Low Low Low Low
Fukushima et al. [35] Moderate Low Low High High Low
Golightly et al. [36] Low Moderate Low Low Low Low
Gossec et al. [37] Low Low Low Low Low Low
Hartofilakidis et al. [38] Moderate Moderate Moderate Moderate High High
Hawker et al. [39] Moderate Low Low Low Low Low
Hoeven et a. [40] Low Moderate Low Low Low Low
Holla et al. [41] Low Low Low Low Low Low
Juhakoski et al. [42] Low Low Low Moderate Low Low
Kalyoncu et al. [43] Low Low Moderate Moderate Low Low
Kelman et al. [44] Low Low Low Low Low Low
Kerkhof et al. [45] Low Moderate Moderate Low Low Low
Kopec et al. [46] Low Moderate Low Low Low Low
Lane et al. [47] Low Low Low Low Low Low
Lane et al. [48] Moderate Low Moderate Low Low Low
Laslett et al. [49] Low Low Low Low Low Low
Ledingham et al. [50] Moderate Moderate Moderate High High High
Lievense et al. [51] Low Low Moderate Low Low Low
Maillefert et al. [52] Low Low Low Moderate Moderate Moderate
Mazieres et al. [53] Low Low Low Low Low Low
Nelson et al. [54] Low Moderate Low Low Low Low
Peters et al. [56] Low Moderate Moderate Low Moderate Low
Pisters et al. [57] Low Low Low Low Low Low
Pollard et al. [58] Low Low Low Moderate Low Low
Reijman et al. [59] Low Moderate Low Low Low Low
Reijman et al. [60] Low Moderate Low Low Low Low
Reijman et al. [61] Low Moderate Low Low Low Low
Solignac [62] Low Low Low Low Moderate Low
van Spil et al. [63] Low Low Low Low Low Low
Tron et al. [65] High High High Moderate High Moderate
Verkleij et al. [66] Low Low Low Low Moderate Low
Vinciguerra et al. [67] Low Moderate High Low High High
  1. Studies with a low risk of bias in all domains are presented in italics