Table 4 Subgroup analyses for associations between serum selenium and the risk of mortality in patients with heart failure.

From: The association between serum selenium concentration and prognosis in patients with heart failure in a Chinese population

Covariates

Death/participants

HR (95% CI)

P

Sex

0.862

Male

66/228

1.07 (1.02–1.12)

0.007

Female

65/183

1.07 (1.02–1.13)

0.004

Age (years)

0.894

< 75

95/309

1.06 (1.02–1.10)

0.002

≥ 75

36/102

1.11 (1.03–1.20)

0.009

BMI (kg/m2)

0.105

< 25

46/170

1.02 (0.96–1.08)

0.581

≥ 25

85/241

1.09 (1.05–1.14)

 < 0.001

Smoking status

0.439

Never

107/329

1.06 (1.02–1.15)

0.001

Ever

24/82

1.13 (1.03–1.25)

0.011

Alcohol drinking

0.273

Seldom

112/350

1.06 (1.02–1.10)

 < 0.001

Occasional or regular

19/61

1.15 (1.03–1.29)

0.016

  1. Adjusted for age, sex (except in the sex-stratified analysis), body mass index, smoking (except in the smoking-stratified analysis), drinking (except in the alcohol-stratified analysis), hypertension, diabetes, chronic kidney disease, prior history of heart failure, atrial fibrillation and medication.
Back to article page