Table 2: Preventable adverse drug event rates (pADEs).
Comparison arm
Intervention arm (unaided)
Intervention arm (with PEA)
Severity of pADE
Before ()
After ()
Before ()
After ()
Before ()
After ()
All Severities
27 (10.7)
25 (8.5)
38 (9.1)
18 (4.6)
56 (12.4)
27 (7.4)*
None/Minimal or Mild
18 (7.1)
12 (4.1)
27 (6.5)
15 (3.8)
27 (5.8)
21 (5.8)
Moderate or Severe
9 (3.6)
13 (4.4)
11 (2.6)
3 (0.8)
29 (6.4)
6 (1.6)**
*
by paired t-test (after versus before) at the site level.
**
by paired t-test (after versus before) at the site level. Values presented as number of pADEs (rate per 100 patient-yrs).