Table 2.
Cumulative doses self-reported by the 93 patients in the previous 3 months and hair concentrations for the 23 drugs
| Self-reported drug (n) | Cumulative doses (mean ± SD, mg) | Hair concentrations (mean ± SD, pg/mg) | r | P value |
|---|---|---|---|---|
| Alprazolam (7) | 41.82 ± 44.09 | 66.95 ± 65.70 | 0.5339 | 0.431 |
| Amitriptyline (24) | 1877.50 ± 2218.01 | 2798.10 ± 3391.70 | 0.7485 | 0.015* |
| Citalopram (16) | 1760.63 ± 868.18 | 2563.88 ± 1906.90 | 1.6653 | <0.001** |
| Clomipramine (3) | 6956.70 ± 11,513.30 | 3730.00 ± 3516.37 | ||
| Clonazepam (1) | 90.00 | 90.00 | ||
| Delorazepam (22) | 235.86 ± 395.16 | 150.26 ± 330.10 | 0.2563 | <0.000** |
| Diazepam (3) | 110.00 ± 43.59 | 1033.33 ± 1280.80 | ||
| Duloxetine (16) | 4224.40 ± 1608.80 | 8520.75 ± 7627.80 | 1.2657 | <0.001** |
| Fluoxetine (4) | 2700.00 ± 1800 | 20,578.25 ± 22,440.20 | ||
| Flurazepam (1) | 1350 | 359.00 | ||
| Levomepromazine (1) | 2250.00 | 1037.00 | ||
| Levosulpiride (4) | 2163.00 ± 3101.09 | 254.75 ± 217.40 | ||
| Lorazepam (7) | 241.07 ± 298.13 | 263.71 ± 299.30 | 0.9995 | <0.001** |
| Lormetazepam (1) | 180.00 | 1207.00 | ||
| Mirtazapine (2) | 2700.00 ± 1909.19 | 586.50 ± 227.90 | ||
| Paroxetine (4) | 1350.00 ± 492.95 | 804.83 ± 709.90 | ||
| Quetiapine (2) | 506.30 ± 79.50 | 470.40 ± 508.00 | ||
| Sertraline (4) | 5812.50 ± 3986.30 | 24,600.25 ± 28,087.20 | ||
| Topiramate (12) | 4774.17 ± 5343.41 | 2414.17 ± 2028.90 | 0.2210 | 0.217 |
| Trazodone (1) | 900.00 | 6379.00 | ||
| Triazolam (1) | 22.50 | 16.00 | ||
| Venlafaxine (6) | 6750.00 ± 6161.88 | 1864.14 ± 2174.90 | 0.3054 | 0.012* |
| Zolpidem (2) | 2475.00 ± 2863.78 | 1718.00 ± 1750.80 |
Linear regression analysis for drugs taken by at least five patients
r slope value
*P < 0.05
**P < 0.01