From: A stratification method based on clustering for the minimization of data masking effect in signal detection
Average frequency of reports on DRUGs
Average frequency of reports on ADRs
Average frequency of reports on DECs
Related to masked DECs
366.96
1001.76
48.29
Overall average
1022.06
2054.62
48.45
Decline ratea
64.10%
51.24%
0.33%