Table 3 Average cited study size and average number of studies cited standardized by RCT size
From: The pathway to RCTs: how many roads are there? Examining the homogeneity of RCT justification
Medical area | N enrolled | Average cited study size | Average number of studies cited | Cited study size/N enrolled | Number of studies cited/N enrolled |
|---|---|---|---|---|---|
Ophthalmology | 1060 | 1167 | 10.0 | 1.10 | 0.009 |
OB-GYN | 618 | 1099 | 4.8 | 1.78 | 0.008 |
Psychiatry | 347 | 530 | 4.8 | 1.53 | 0.014 |
ENT | 2712 | 399 | 4.5 | 0.15 | 0.002 |
General Surgery | 362 | 482 | 8.8 | 1.33 | 0.024 |
Internal Medicine | 1192 | 3238 | 7.5 | 2.72 | 0.006 |