Adequacy of Hemodialysis and Its Associated Factors among Patients Undergoing Chronic Hemodialysis in Dar es Salaam, Tanzania

Table 3

Treatment characteristics associated with inadequate hemodialysis.


Factors	URR		value	Kt/V		value
Factors	Inadequate (%)	Adequate (%)	value	Inadequate (%)	Adequate (%)	value

Dialyzer surface area (m²)
<1.4	87 (69.0)	39 (31.0)	0.023	79 (62.7)	12 (31.6)	0.033
≥1.4	7 (41.2)	10 (58.8)		6 (35.3)	46 (43.8)
Vascular access in the last month
Temporary	27 (71.1)	11 (28.9)	0.420	26 (68.4)	12 (31.6)	0.226
Permanent	67 (63.8)	38 (36.2)		59 (56.2)	46 (43.8)
Months since dialysis initiation
3–12	53 (63.1)	31 (36.9)	0.428	48 (57.1)	36 (42.9)	0.467
>12	41 (69.5)	18 (30.5)		37 (62.7)	22 (37.3)
Number of dialysis sessions per week
1	0	2 (100.0)	0.128	0	2 (100.0)	0.222
2	15 (62.5)	9 (37.5)		15 (62.5)	9 (37.5)
3	79 (67.5)	38 (32.5)		70 (59.8)	47 (40.2)
Dialysis sessions in a month
2–11	32 (60.4)	21 (39.6)	0.300	31 (58.5)	22 (41.5)	0.901
>11	62 (68.9)	28 (31.1)		54 (60.0)	36 (40.0)
Blood flow rate (ml/min)
<250	13 (65.0)	7 (35.0)	0.941	13 (65.0)	7 (35.0)	0.566
≥250	81 (65.9)	42 (34.1)		72 (58.5)	51 (41.5)
Ultrafiltration (liters)
0–2	65 (65.7)	34 (34.3)	1.000	60 (60.6)	39 (39.4)	0.716
2–4	29 (65.9)	15 (34.1)		25 (56.8)	19 (43.2)
Hemoglobin (g/dL)
<10	45 (71.4)	18 (28.6)	0.203	44 (69.8)	19 (30.2)	0.029
≥10	49 (61.3)	31 (38.7)		41 (51.3)	39 (48.7)

Temporary access included central venous catheters and permanent access included arteriovenous fistulae and arteriovenous graft in 3 patients.