Table 4

Levels of evidence for interventions across different disciplines

Study Type
Internal Medicine[1]
General Practice[2]
Inpatient Pediatrics[5]
Community Pediatrics[6]
Emergency Pediatrics

Level I Evidence (%)
53
31
31
40
52
Level II Evidence (%)
29
50
44
7
5
Level III Evidence (%)
18
19
1
53
8
No Intervention (%)
0
0
24
0
36
Sample Size (number of pts)
109
101
142
247*
262

* although the number of patients included was 247, 629 individual "clinical actions" were studied

Waters et al. BMC Pediatrics 2006 6:26   doi:10.1186/1471-2431-6-26