Table 2.
Mean change and significance (p) of the difference in study parameters eight weeks after treatment for alcohol withdrawal symptoms among 27 patients on magnesium 500 mg per day and 31 patients on matching placebo
| Parameter | Magnesium | Placebo | t-test statistic | df | p value |
| Systolic blood pressure, mmHg | 6.1 ± 18.3 | 2.1 ± 19.4 | 0.804 | 57 | 0.425 |
| Diastolic blood pressure, mmHg | 1.2 ± 9.8 | -3.9 ± 10.6 | 1.922 | 57 | 0.058 |
| Grip strength, right hand, kp/cm2 | 0.03 ± 0.09 | 0.0 ± 0.11 | 0.085 | 57 | 0.933 |
| Grip strength, left hand, kp/cm2 | 0.03 ± 0.10 | 0.05 ± 1.27 | 1.319 | 57 | 0.192 |
| Serum magnesium, mmol/l | 0.06 ± 0.12 | 0.01 ± 0.08 | 1.801 | 56 | 0.077 |
| Serum gammaglutamyl-transferase, U/l | -55.4 ± 105 | -128.1 ± 49 | 0.752 | 56 | 0.455 |
| Serum aspartateamino-transferase, U/l | -22.0 ± 43.8 | -34.2 ± 79 | 0.714 | 56 | 0.478 |
| Serum alanineamino-transferase, U/l | -12.0 ± 41.0 | -24.4 ± 53 | 0.986 | 56 | 0.329 |
| Beck Depression Inventory score | -9.1 ± 6.5 | -12.2 ± 11 | 1.236 | 54 | 0.222 |