Table 3 Summary of the clustering in the case studies where IQR is the inter-quartile range. The summary of the cluster sizes is based on patients with a valid primary endpoint (number analysed)
Total randomised | Missing | No. analysed (control) | No. clusters | Mean | Median (IQR) | (Min, max) | |
|---|---|---|---|---|---|---|---|
CPSWa | 623 | 84 | 539 (263) | 8 | 34.5 | 35.5 (7.25) | (22, 46) |
Acupuncture | 239 | 24 | 215 (68) | 7 | 21.0 | 24.00 (5.00) | (2, 27) |
Ulcer | 233 | 0 | 233(113) | 8 | 15.0 | 13.50 (7.75) | (10, 24) |
PLINYa | 70 | 14 | 56 (30) | 6 | 4.3 | 5.00 (0.75) | (1, 6) |