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Table 2 Clinical characteristics of patients with CKD 3 and 4

From: Cognitive impairment and depression in a population of patients with chronic kidney disease in Colombia: a prevalence study

Clinical characteristics Cognitive impairment no Cognitive impairment yes Total p value
(n = 123) (n = 128) (n = 251)
Previous medical history, n (%)        
 High blood pressure (HBP)        
  Slight HBP 81 (65.9) 75 (58.6) 156 (62.2) 0.606
  Moderate HBP 20 (16.3) 23 (18.0) 43 (17.1)
  Severe HBP 3 (2.4) 5 (3.9) 8 (3.2)
  Without HBP 19 (15.4) 25 (19.5) 44 (17.5)
 Diabetes mellitus, n (%) 29 (23.6) 31 (24.2) 60 (23.9) 0.905
 Hypothyroidism, n (%) 34 (27.6) 41 (32.0) 75 (29.9) 0.377
 Stroke, n (%) 10 (8.1) 12 (9.4) 22 (8.8) 0.742
 Smoking, n (%) 33 (26.8) 35 (27.3) 68 (27.1) 0.927
 Anemia, n (%) 4 (3.1) 4 (1.6)
 Sedentary lifestyle, n (%) 64 (52.0) 72 (56.3) 136 (54.2) 0.417
 Alcohol consumptionb, n (%) 8 (6.5) 6 (4.7) 14 (5.6) 0.541
 Glomerular filtration rate, ml/min, median (IQR) 44 (37–49) 39.5 (31–48) 42 (34–48) 0.028
  Stage 3 chronic kidney disease, n (%) 110 (89.4) 107 (83.6) 217 (86.5) 0.177
  Stage 4 chronic kidney disease, n (%) 13 (10.6) 21 (16.4) 34 (13.5)
Cause of kidney disease, n (%)        
  Diabetes 21 (17.1) 27 (21.1) 48 (19.1) 0.750
  HBP 89 (72.4) 81 (63.3) 170 (67.7)
  Glomerulonephritis 1 (0.8) 4 (3.1) 5 (2.0)
  Obstructive condition 6 (4.9) 10 (7.8) 16 (6.4)
  Unknown 6 (4.9) 6 (4.7) 12 (4.8)
 Body mass index, kg/mt2, median (IQR)a 24 (23–27) 25 (22–27) 25 (23–27) 0.908
  Normal 58 (47.5) 60 (49.2) 118 (48.4) 0.726
  Overweight 53 (43.4) 48 (39.3) 101 (41.4)
  Obese 11 (9.0) 14 (11.5) 25 (10.2)
  1. IQR interquartile range
  2. aData were available for 244 patients
  3. bWorld Health Organization criteria