Table 2.

Crude and adjusted odds ratios of the risk factors for hyponatraemia.

Risk factors	Crude OR (95% CI)	Adjusted* OR (95% CI)
Selective serotonin reuptake inhibitors	3.3 (1.3, 8.6)	3.9 (1.2, 13.1)
Paroxetine	4.0 (1.6, 10.1)	5.1 (1.5, 17.2)
Age (≥65 years)	6.6 (1.4, 32)	6.3 (1.0, 41)
β-adrenoceptor blockers	2.6 (1.0, 6.9)	2.6 (0.7, 10.0)
Diabetes mellitus	3.0 (1.0, 9.3)	1.6 (0.4, 6.7)
Lung carcinoma	4.7 (0.7, 30)	6.5 (0.6, 71)
Potassium (>5.0 mmol l−1)	16 (1.8, 143)	24 (2.0, 283)

OR = odds ratio.

^*Adjusted for age, gender, diabetes mellitus, lung carcinoma, use of β-adrenoceptor blockers and serum creatinine and potassium (>5 mmol l⁻¹).