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Table 3 Hazard ratios for 30-day mortality according to age, gender, comorbidity and marital status, unadjusted and adjusted for the three other variables in the model

From: Mortality of older acutely admitted medical patients after early discharge from emergency departments: a nationwide cohort study

Baseline characteristics

Unadjusted HR (95% CI)

Adjusted HR (95% CI)a

Age (years)

 65–75

Reference

Reference

 76–85

1.75 (1.59–1.92)

1.59 (1.45–1.75)

 86+

3.62 (3.30–3.98)

3.35 (3.04–3.70)

Gender

 Female

Reference

Reference

 Male

1.15 (1.06–1.23)

1.22 (1.13–1.33)

Charlson Comorbidity Index

 0

Reference

Reference

 1–2

2.35 (2.10–2.62)

2.15 (1.92–2.40)

 3+

4.44 (4.00–4.95)

4.07 (3.65–4.54)

Marital Status

 Married

Reference

Reference

 Not Married

1.47 (1.36–1.58)

1.17 (1.08–1.27)

  1. HR hazard ratio, CI confidence interval.aAdjusted for other three variables in the model.