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Number of benzodiazepines found in cases (n=245) and controls (n=817). Values are numbers (percentages)
| No of benzodiazepines | Questionnaire and medical records
|
Blood samples
|
|||
|---|---|---|---|---|---|
| Controls | Cases | Controls | Cases | ||
| 0 | 511 (62.6) | 147 (60.2) | 535 (65.5) | 148 (60.4) | |
| 1 | 276 (33.8) | 80 (32.7) | 247 (30.3) | 79 (32.2) | |
| 2 | 27 (3.3) | 17 (6.9) | 35 (4.3) | 17 (6.9) | |
| 3 | 3 (0.4) | 1 (0.4) | 0 | 1 (0.4) | |
