Table 2.
Mean (± SD) 24-Hour Urinary Measures Before and After Magnesium (Mg) Infusion
| Mg t1 (Ref. Range 3.0-4.25 mmol/24 hr) | Mg t2 (mmol/24hr)a | Ca t1 (ref range Mg t2 (mmol/24 hr)a | Cr t1 (ref. range 1.25-6.25 mmol/24 hr) | |||
|---|---|---|---|---|---|---|
| Ca t2 (mmol/24 hr)b | .8-1.8 g/24 hr) | Cr t2 (g/24 hr) | ||||
| Patients | 2.14 (.53) | 4.22 (1.16) | 3.38 (1.88) | 3.64 (1.79) | 1.27 (.22) | 1.18 (.28) |
| HC | 2.35 (.60) | 4.74 (.84) | 3.35 (1.87) | 4.38 (1.35) | 1.33 (.22) | 1.34 (.26) |
Ca, calcium; Cr, creatinine; t1, starting 24 hours before Mg infusion; t2, starting at onset of Mg infusion; HC, healthy control subjects. Sample sizes ranged between 14 and 17.
a
Repeated-measures analysis of variance (ANOVA) significant time effect [F(1,28) 152, p< .01], but no time-by-diagnosis effects.
b
Repeated measures ANOVA: significant time effect [F(1,27) 5.5, p <.05], but no time-by-diagnosis effect.