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Table 2 Chronic Kidney Disease Prevalence and Mean Glomerular Filtration Rate according to Patients Characteristics and Risk Factors for Stroke, CHUV, 2001-2003, N = 890

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 (%)
Chronic Kidney Disease
N (%)
P value Mean (SD)
GFR
ml/min/1.73 m2
P value
   I II III IV-V    
N (%) 890 (100.0) 59 (6.6) 469 (52.7) 335 (37.6) 27 (3.0)   64.3 (17.8)  
Age       < 0.001   < 0.001
   ≤60 years 240 (27.0) 39 (16.3) 177 (73.8) 20 (8.3) 4 (1.7)   76.8 (16.5)  
   60-70 years 151 (17.0) 10 (6.6) 92 (60.9) 47 (31.1) 2 (1.3)   67.4 (16.2)  
   71-80 years 267 (30.0) 8 (3.0) 121 (45.3) 127 (47.6) 11 (4.1)   59.1 (15.8)  
   < 80 years 232 (26.0) 2 (0.86) 79 (34) 141 (61) 10 (4.3)   55.2 (13.9)  
Gender       < 0.001   < 0.001
   Male 479 (53.8) 52 (10.9) 287 (59.9) 126 (26.3) 14 (2.9)   69.1 (18.7)  
   Female 411 (46.2) 7 (1.7) 182 (44.3) 209 (50.9) 13 (3.2)   58.6 (14.8)  
Risk Factors for stroke         
   Hypertension 528 (59.3) 22 (4.2) 246 (46.6) 239 (45.3) 21 (3.9) < 0.001 60.3 (16.9) < 0.001
   Diabetes 133 (15.0) 11 (8.3) 51 (38.3) 64 (48.1) 7 (5.3) 0.003 59.6 (19.7) 0.003
   Hyper-Cholesterolemia 346 (38.9) 20 (5.8) 181 (52.3) 135 (39) 10 (2.9) 0.812 63.7 (17.0) 0.47
   Smoking       < 0.001   < 0.001
No 595 (66.8) 24 (4.03) 285 (48) 268 (45.04) 18 (3.03)   61.1 (16.2)  
Yes 198 (22.2) 30 (15.15) 127 (64.1) 37 (18.7) 4 (2.02)   73.7 (18.0)  
Ex-smoker 97 (11.0) 5 (5.15) 57 (58.8) 30 (31) 5 (5.15)   64.7 (19.8)  
Antecedent         
   Ischemic Heart Disease 126 (14.2) 3 (2.4) 55 (43.7) 62 (49.2) 6 (4.8) 0.005 59.2 (16.1) < 0.001
   Heart failure 97 (11.0) 3 (3.1) 35 (36.1) 54 (55.7) 5 (5.2) 0.0003 55.4 (17.6) < 0.001
   Peripheral Arterial Insufficiency 36 (4.0) 2 (5.6) 18 (50) 14 (38.9) 2 (5.6) 0.703 62.4 (21.4) 0.52
   Atrial Fibrillation 125 (14.0) 4 (3.2) 51 (40.8) 64 (51.2) 6 (4.8) 0.0017 57.0 (16.8) < 0.001
   Positive Family History for Stroke/Heart Disease 16 (1.8) 4 (25) 11 (68.8) 1 (6.25) 0 0.005 79.5 (15.0) < 0.001
   TIA before Stroke 77 (8.7) 5 (6.5) 39 (50.7) 31 (40.3) 2 (2.6) 0.964 62.0 (17.3) 0.25
Severity of disease         
   Functional Status       0.006   0.04
I 263 (29.6) 11(4.2) 157 (59.7) 92 (35) 3 (1.14)   65.3 (15.6)  
II 201 (22.6) 20 (9.9) 104 (51.7) 71 (35.3) 6 (3)   65.2 (17.8)  
III 164 (18.4) 10 (6.1) 91 (55.5) 54 (33) 9 (5.5)   65.1 (19.3)  
IV 230 (25.8) 18 (7.8) 104 (45.2) 100 (43.5) 8 (3.5)   62.7 (19.4)  
Death 32 (3.6) 0 13 (40.6) 18 (56.3) 1 (3.13)   56.2 (11.6)  
   Charlson score       < 0.001   < 0.001
   Charlson score 0 or 1 268 (30.1) 18 (6.7) 174 (65) 74 (27.6) 2 (0.8)   68.8 (16.2)  
   Charlson score 2 93 (10.5) 2 (2.2) 47 (50.5) 42 (45.2) 2 (2.2)   62.2 (14.4)  
   Charlson score 3 298 (33.5) 23 (7.7) 156 (52.4) 111 (37.3) 8 (2.7)   64.7 (17.4)  
   Charlson score ≥4 231 (26.0) 16 (6.9) 92 (39.8) 108 (46.8) 15 (6.5)   59.2 (19.9)  
  1. TIA: Transient Ischemic Attack
  2. GFR: Glomerular Filtration Rate ml/min/1.73 m2