BMI and its association with death and the initiation of renal replacement therapy (RRT) in a cohort of patients with chronic kidney disease (CKD)

Table 4 Prediction of starting RRT (Males)

Variables	HRs	95% CI		p
BMI categories
Normal BMI	Reference group
Overweight	1.15	0.71	1.86	0.579
Mild obesity	0.99	0.59	1.66	0.970
Moderate obesity+	0.95	0.56	1.61	0.858
Age > =68 years	0.26	0.17	0.39	< 0.001
CKD stage
Stage 1 + 2	Reference group
Stage 3A + 3B	7.95	1.05	60.26	0.045
Stage 4 + 5	81.76	11.32	590.52	< 0.001
Primary renal diagnoses
Glomerulonephritis	Reference group
Genetic renal disease	1.52	0.69	3.34	0.299
Diabetic nephropathy	1.89	0.94	3.84	0.076
Renovascular disease	1.27	0.65	2.47	0.478
Cancer	0.73	0.43	1.23	0.236
Diabetes	0.95	0.56	1.61	0.842
PVD	1.09	0.67	1.76	0.737
Chronic lung disease	0.92	0.58	1.45	0.721
CAD	0.67	0.43	1.03	0.069
All other CVD	0.98	0.65	1.47	0.913
IRSD quintiles
Lowest	Reference group
Low	1.02	0.61	1.71	0.949
Middle	0.82	0.51	1.33	0.419
High	0.88	0.50	1.53	0.648
Highest	0.77	0.42	1.42	0.403

ISSN: 1471-2369