Table 3.
The sample size distribution (N=72).
| Sample size | Studies, n (%) |
| 0-18 | 46 (64) |
| 19-36 | 13 (18) |
| 37-54 | 9 (13) |
| 55-72 | 2 (3) |
| 73-90 | 0 (0) |
| 91-108 | 1 (1) |
| 109-126 | 1 (1) |
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