Association of Serum Magnesium Levels with Frequency of Acute Exacerbations in Chronic Obstructive Pulmonary Disease: A Prospective Study

Table 2

Linear regression analysis showing factors affecting frequency of COPD-AE.

	Standardized coefficients (Beta)		value
Predicted FEV1%	−0.227	−2.590
Serum creatinine	0.050	0.499	0.619
Serum uric acid	−0.040	−0.392	0.696
Serum protein	0.005	0.032	0.975
Serum globulin	−0.250	−2.839
Serum magnesium	0.431	4.929
Platelet count	0.119	1.329	0.188

Statistically significant.