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Table 4 Results of Cox Proportional Hazard Model for One-Year Mortality in Patients Hospitalized for a First Stroke, CHUV, 2001-2003, N = 856

From: Anemia and chronic kidney disease are potential risk factors for mortality in stroke patients: a historic cohort study

Variables

Parameter Estimate

Standard Error

Hazard Ratio (95% CI)

Hemoglobin (g/L, continuous)

- 0.0163

0.0056

0.98* (0.97-1.00)

Glomerular filtration rate (ml/min/1.73 m 2 , continuous)

- 0.0114

0.0073

0.99 (0.98-1.01)

Age (years, continuous)

0.0398

0.0113

1.04* (1.02-1.07)

Hypertension

- 0.3911

0.2359

0.68 (0.43-1.07)

Hypercholesterolemia

- 0.4503

0.2728

0.64 (0.37-1.09)

Previous transitory ischemic attack

- 1.1605

0.7230

0.31 (0.08-1.29)

Functional status II (ref = I)

0.5474

0.5196

1.73 (0.62-4.79)

Functional status III (ref = I)

0.9331

0.5008

2.54 (0.95-6.79)

Functional status IV (ref = I)

1.8335

0.4471

6.26* (2.61-15.02)

Charlson comorbidity index 2 (ref = 0 or I)

0.4103

0.4564

1.51 (0.62-3.69)

Charlson comorbidity index 3 (ref = 0 or I)

0.0646

0.3743

1.07 (0.51-2.22)

Charlson comorbidity index 4 (ref = 0 or I)

0.6228

0.3662

1.86 (0.91-3.82)

  1. * p < 0.05