End stage renal disease in Brunei Darussalam – report from the first Brunei Dialysis Transplant Registry (BDTR)

Figures & data

Table 1. Data domains and elements.

Data domains	Data elements
1. Identifier	Name, Identifying Document Numbers, Address, Contact numbers
2. Demographics	Age, Sex, Ethnicity, Educational attainment, Occupation, Household income group, Weight, Height, Use of tobacco
3. Medical history	Medical history/co-morbidities, Family History
4. ESRD diagnosis	Date of first diagnosis, Date re-entering each RRT
5. Laboratory investigations	Date & time of tests, Blood chemistry, Hematology, Serology
6. Treatment	Modalities of RRT
7. Outcomes	Patient survival; death, cause of death

Table 2. Prevalent RRT patients (2002–2011).

	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
All patients	346	375	387	410	438	465	480	511	496	545
Haemodialysis	281	314	325	332	355	381	394	423	398	452
Peritoneal dialysis	55	51	51	64	69	65	63	58	66	60
Transplant	10	10	11	14	14	19	23	30	32	33

Table 3. Incidence of presumptive etiological diseases (2011).

	Incidence (%)
Diabetes mellitus	57.1
Hypertension	21.4
Glomerulonephritis	9.8
Obstruction	2.7
Polycystic kidneys	0.9
Others	8.1

Table 4. General demographic details of hemodialysis and peritoneal dialysis patients.

	Number (N)	Percentage (%)
Total HD and PD patients	512	100
Age group
0–20 years	20	4
21–40 years	143	28
41–60 years	231	45
60+ years	118	23
Sex
Male	261	51
Female	251	49
District
Brunei-Muara	351	69
Belait	84	16
Tutong	51	10
Temburong	26	5
Ethnic group
Malay	435	85
Chinese	41	8
Others	36	7

Table 5. Biochemical, hematological and dialysis parameters for hemodialysis and peritoneal dialysis patients.

	HD	PD	All
Serum hemoglobin (g/dL)	11.1 ± 1.6	10.8 ± 1.4	11.0 ± 1.6
% patients on erythropoietin	97	87	94
% patients with Hb >10 g/dL	76	72	75
Serum phosphate (mmol/L)	1.9 ± 0.5	1.9 ± 0.6	1.9 ± 0.5
Serum calcium (mmol/L)	2.3 ± 0.2	2.4 ± 0.2	2.3 ± 0.2
Serum Ca x Ph product	4.2 ± 1.2	4.6 ± 1.3	4.3 ± 1.2
Serum iPTH (ng/mL)	199.5 ± 311.3	214.2 ± 319.5	202.5 ± 323.4
Serum albumin (g/L)	33.1 ± 4.8	30.5 ± 5.2	32.7 ± 4.3
Serum cholesterol (mmol/L)	3.9 ± 1.1	4.8 ± 1.2	4.1 ± 1.1
Systolic BP (mmHg)	149.0 ± 15.7	128.5 ± 15.9	145.7 ± 15.1
Diastolic BP (mmHg)	83.1 ± 8.9	82.2 ± 8.8	82.8 ± 9.1
Hep BsAg +ve (%)	3	5	3
Anti HCV +ve (%)	7	7	7
Urea reduction ratio (%)	65.1 ± 9.1	NA	NA
Kt/v	NA	2.0 ± 0.3	NA
% patients on AVF	71	NA	NA
Peritonitis rate (patient- month/episode)	NA	24.5	NA

Table 6. HD parameters.

	Number (N)	Percentage (%)
Total HD patients	452	100
Access
Radio-cephalic Fistula	217	48
Brachio-cephalic Fistula	104	23
Catheter	113	25
Missing data	18	4
Blood flow
200–249 mls/h	211	47
250–299 mls/h	172	38
300–349 mls/h	51	11
>350 mls/h	15	3
Missing data	3	1
HD sessions
2 per week	3	1
3 per week	443	98
4 per week	6	1
Duration of session
<3 h	8	2
3–4 h	441	98
>4 h	3	0

Table 7. Types of renal transplantation.

	Prevalent number (N)	Percentage (%)
Transplant	33	100
Live genetically related (parents and siblings only)	15	45
Live emotionally related (spouses only)	8	24
Unknown	10	30