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Table 3 How many patient participant countries are included in core outcome set (COS) development by COS development stage

From: Survey indicated that core outcome set development is increasingly including patients, being conducted internationally and using Delphi surveys

Stage of COS development (n) 1 country n (%) 2 countries n (%) 3 countries n (%) 4 countries n (%) 5‚ÄČ+ countries n (%)
Published (36) 21 (58) 5 (14) 1 (3) 1 (3) 8 (22)
Completed (36) 13 (36) 6 (17) 5 (14) 3 (8) 9 (25)
Ongoing (63) 36 (57) 10 (16) 2 (3) 2 (3) 13 (21)
Total (135) 70 (52) 21 (16) 8 (6) 6 (4) 30 (22)