Skip to main content

Table 1 Hospital and One-Year Mortality Related to Patients Characteristics and Risk Factors for Stroke, CHUV, 2001-2003, N = 890 on admission and N = 857 at one year

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

Characteristic and risk factors for stroke Number (%)
N (%)
Hospital
mortality
N (%)
P value One-Year
mortality
N (%)
P value
N (%)   33 (3.7)   82 (9.6)  
Age    < 0.001   < 0.001
   < 60 years 240 (27.0) 2 (6.1)   6 (7.3)  
   60-70 years 151 (17.0) 1 (3.0)   6 (7.3)  
   71-80 years 267 (30.0) 11 (33.3)   26 (31.7)  
   < 80 years 232 (26.0) 19 (57.6)   44 (53.7)  
Gender    0.21   0.20
   Male 479 (53.8) 14 (42.4)   39 (47.6)  
   Female 411 (46.2) 19 (57.6)   43 (52.4)  
Risk Factors for Stroke      
   Hypertension 528 (59.3) 19 (57.6) 0.86 49 (59.8) 1.00
   Diabetes 133 (15.0) 3 (9.1) 0.46 17 (20.7) 0.15
   Hypercholesterolemia 346 (38.9) 6 (18.2) 0.02 19 (23.2) 0.001
   Smoking    0.009   0.002
No 595 (66.8) 30 (90.9)   67 (81.7)  
Yes 198 (22.2) 3 (9.1)   6 (7.3)  
Ex-smoker 97 (11.0) 0   9 (11.0)  
Antecedent      
   Ischemic Heart Disease 126 (14.2) 7 (21.2) 0.30 15 (18.3) 0.24
   Heart failure 97 (11.0) 8 (24.2) 0.02 20 (24.4) < 0.001
   Peripheral Arterial Insufficiency 36 (4.0) 0 0.64 9 (11.0) 0.005
   Atrial Fibrillation 125 (14.0) 9 (27.3) 0.04 16 (19.5) 0.12
   Positive Family History for Stroke/Heart Disease 16 (1.8) 0 1.00 0 0.34
   TIA Before Stroke 77 (8.7) 2 (6.1) 1.00 2 (2.4) 0.04
Severity of disease      
   Functional Status    < 0.001   <0.001
I 263 (29.6) 0   6 (7.3)  
II 201 (22.6) 0   10 (8.2)  
III 164 (18.4) 0   13 (15.9)  
IV 230 (25.8) 1 (3.0)   53 (64.6)  
Death 32 (3.6) 32 (97.0)    
Charlson Comorbidty Index    0.62   < 0.001
Charlson score 0 or 1 268 (30.1) 7 (21.2)   11 (13.4)  
Charlson score 2 93 (10.5) 3 (9.1)   9 (11.0)  
Charlson score 3 298 (33.5) 12 (36.4)   24 (29.3)  
Charlson score ≥4 231 (26.0) 11 (33.3)   38 (46.3)  
Chronic Kidney Disease      
Stage 1 (GFR ≥90) 59 (6.3) 0 0.052 5 (6.1) < 0.001
Stage 2 (GFR: 60-89) 469 (52.7) 13 (39.4)   27 (32.9)  
Stage 3 (GFR: 30-59) 335 (37.6) 18 (54.6)   43 (52.4)  
Stage 4 or 5 (GFR ≤29) 27 (3.0) 2 (6.1)   7 (8.5)  
Mean (SD) GFR ml/min/1.73 m 2 64.3 (17.8) 55.2 (12.6) < 0.001 55.6 (20.6) < 0.001
  1. TIA: Transient Ischemic Attack
  2. GFR: Glomerular Filtration Rate ml/min/1.73 m2