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Table 3 Baseline characteristics by status for chronic kidney disease based on various kidney function estimators

From: Prevalence and risk factors of chronic kidney disease in urban adult Cameroonians according to three common estimators of the glomerular filtration rate: a cross-sectional study

Variables CKD (MDRD) CKD (CKD-CG) CKD (CKD-EPI)
No Yes P No Yes p No Yes p
n (%) 445 (89.0) 55 (11.0)   429 (85.8) 71 (14.2)   450 (90.0) 50 (10.0)  
Sex (women) 208 (46.7) 25 (45.5) 0.887 201 (46.9) 32 (46.6) 0.799 210 (46.7) 23 (46.0) >0.999
Mean age, years (SD) 44.1 (12.7) 54.7 (13.4) <0.001 43.4 (12.1) 56.9 (13.6) <0.001 44.1 (12.4) 56.1 (14.2) <0.001
History of hypertension (%) 44 (9.9) 17 (30.9) <0.001 42 (9.8) 19 (26.8) <0.001 44 (9.8) 17 (34.0) <0.001
History of diabetes (%) 8 (1.8) 6 (10.9) 0.002 8 (1.9) 6 (8.5) 0.008 8 (1.8) 6 (12.0) 0.001
History of gout (%) 4 (0.9) 2 (3.6) 0.134 4 (0.9) 2 (2.8) 0.204 4 (0.9) 2 (4.0) 0.113
Tobacco use (%) 32 (7.2) 3 (5.5) 0.785 32 (7.5) 3 (4.2) 0.453 33 (7.3) 2 (4.0) 0.561
Alcohol use (%) 245 (55.1) 27 (49.1) 0.473 238 (55.5) 34 (47.9) 0.249 248 (55.1) 24 (48.0) 0.371
Longstanding use of herbal medicine (%) 256 (57.5) 33 (60.0) 0.774 249 (58.0) 40 (56.3) 0.797 260 (57.8) 29 (58.0) >0.999
Longstanding use of street medicine (%) 130 (29.2) 18 (32.7) 0.639 124 (28.9) 24 (33.8) 0.403 129 (28.7) 19 (38.0) 0.192
Mean SBP, mmHg (SD) 132 (24) 138 (29) 0.081 131 (23) 140 (30) 0.008 132 (24) 139 (30) 0.052
Mean DBP, mmHg (SD) 81 (14) 85 (19) 0.076 81 (14) 94 (18) 0.138 81 (14) 84 (19) 0.127
Any hypertension (%) 161 (36.2) 32 (58.2) 0.002 154 (35.9) 39 (54.9) 0.004 163 (36.2) 30 (60.0) 0.002
Mean BMI, kg/m2 (SD) 27.0 (12.6) 28.2 (6.5) 0.107 27.4 (5.3) 25.2 (5.1) 0.002 27.0 (5.2) 27.9 (6.5) 0.268
BMI > =25 (%) 267 (60.0) 35 (63.6) 0.663 269 (62.7) 33 (46.5) 0.012 272 (60.4) 30 (60.0) >0.999
Pulse (SD) 76 (13) 78 (14) 0.344 76 (13) 77 (13) 0.651 76 (13) 79 (14) 0.236
  1. BMI body mass index, CG Cockroft-Gault, CKD chronic kidney disease, CKD-EPI chronic kidney disease epidemiology collaboration, DBP diastolic blood pressure, MDRD Modification of Diet in Renal Disease, SBP systolic blood pressure, SD standard deviation