Table 3.

t testa results comparing gender, PEFR, asthma control and treatment on intracellular Mg level (N = 100)

	Mg level Mean (SD) mmol/L	Mean difference (95% CI)	P value
Gender			0.521
Male	2.28 (0.331)	0.044 (–0.09,0.18)
Female	2.24 (0.333)	0.044 (–0.09,0.18)
PEFR			0.681
Normal	2.27 (0.343)	0.032 (–1.12, 0.19)
Abnormal	2.24 (0.293)	0.032 (–1.12, 0.18)
Current level of asthma control			0.978
Uncontrolled	2.27 (0.371)	0.002 (–0.13,0.13)
Controlled	2.26 (0.291)	0.002 (–0.13,0.13)
Current treatment			0.680
Reliever	2.30 (0.339)	0.04 (–0.15,0.23)
Reliever & Controller	2.26 (0.331)	0.04 (–0.17, 0.24)

^aIndependent t test, significant at P < 0.05.