The Impact of Anaemia on Outcomes, Admissions, and Costs in Patients with Chronic Kidney Disease in Two Public Nephrology Practices in Queensland: A CKD.QLD Registry Study

Table 2

Anaemia distribution according to baseline characteristics.

	No anaemia	Mild anaemia	Moderate anaemia	Severe anaemia
	N (%)	N (%)	N (%)	N (%)
Gender
Male	629 (50.2)	397 (64.4)	195 (47.5)	13 (56.5)
Female	625 (49.8)	219 (35.5)	215 (52.4)	10 (43.4)
Age category
<55 years	392 (31.2)	89 (14.4)	62 (15.1)	3 (13.0)
55–64	227 (18.1)	92 (14.9)	72 (17.5)	3 (13.0)
65–74	340 (27.1)	194 (31.4)	103 (25.2)	3 (13.0)
>75	295 (23.5)	241 (39.1)	173 (42.2)	14 (60.8)
CKD stage
Stage 1	149 (11.8)	10 (1.6)	4 (0.9)	0 (0)
Stage 2	217 (17.3)	43 (6.9)	6 (1.5)	2 (0.7)
Stage 3a	247 (19.7)	82 (13.3)	27 (6.6)	2 (0.7)
Stage 3b	384 (30.6)	205 (33.3)	118 (28.8)	3 (13.0)
Stage 4	230 (18.3)	217 (35.2)	178 (43.4)	11 (47.8)
Stage 5	27 (2.1)	59 (9.6)	77 (18.8)	5 (21.7)
Primary renal diagnosis (PRD)
RVD†	333 (26.6)	183 (29.7)	117 (28.5)	6 (26.1)
DN^‡	213 (16.9)	152 (24.7)	129 (31.5)	7 (30.4)
GN^§	187 (14.9)	81 (13.1)	33 (8.0)	4 (17.4)
GRD^¶	91 (7.3)	23 (3.7)	12 (2.9)	0 (0)
Other	258 (20.6)	109 (17.7)	70 (17.1)	3 (13.0)
Uncertain	172 (13.7)	68 (11.0)	49 (11.9)	3 (13.0)

^†RVD: renovascular disease; ^‡DN: diabetic nephropathy; ^§GN: glomerulonephritis; ^¶GRD: genetic renal disease.