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. 2008 Apr 12;8:118. doi: 10.1186/1471-2458-8-118

Table 6.

Selected percentiles of the number of days of drugs, of the number of visits, and of the number of drug items

Exposure group Comparison group


Pre-action Post-action Pre-action Post-action
Beta blocking agents

The number of days of drugs
 25% 60 120 56 120
 50% 92 180 90 170
 75% 140 210 140 210
 95% 168 224 168 228
 99% 180 252 196 249
 100% 210 280 224 300
The number of visits
 25% 2 4 2 4
 50% 4 7 4 6
 75% 5 7 5 7
 95% 6 8 6 8
 99% 10 11 8 10
 100% 13 14 23 24
The number drug items
 25% 1 1 1 1
 50% 1 1 1 1
 75% 1 1 1 1
 95% 1 2 1 2
 99% 2 2 2 3
 100% 3 3 2 4

Calcium channel blockers, vascular effects

The number of days of drugs
 25% 60 120 56 120
 50% 112 180 90 180
 75% 140 210 133 198
 95% 168 224 168 225
 99% 180 264 182 240
 100% 196 330 224 300
The number of visits
 25% 3 5 2 4
 50% 4 6 3 6
 75% 5 7 5 7
 95% 6 8 6 8
 99% 12 13 9 11
 100% 30 27 12 13
The number drug items
 25% 1 1 1 1
 50% 1 1 1 1
 75% 1 1 1 1
 95% 2 2 1 1
 99% 2 2 1 2
 100% 4 3 2 3

ACE inhibitors, plain

The number of days of drugs
 25% 60 112 60 112
 50% 112 168 104 168
 75% 140 202 140 203
 95% 168 224 172 224
 99% 180 249 196 240
 100% 224 288 240 245
The number of visits
 25% 2 4 2 4
 50% 4 6 4 6
 75% 5 7 5 7
 95% 7 9 7 9
 99% 12 14 12 13
 100% 30 27 12 14
The number drug items
 25% 1 1 1 1
 50% 1 1 1 1
 75% 1 1 1 1
 95% 1 2 1 1
 99% 2 3 2 2
 100% 3 3 2 2