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How many patient participant countries are included in core outcome set (COS) development by COS development stage
| Stage of COS development (n) | 1 country n (%) |
2 countries n (%) |
3 countries n (%) |
4 countries n (%) |
5 + 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) |
