Predictors of Mortality in Adults with Acute Kidney Injury Requiring Dialysis: A Cohort Analysis

Table 1

Demographic and clinical characteristics of AKI stage 3 Congolese adults admitted to the CIMAK hemodialysis centre in North-Kivu province in the DRC.

Variable	Total (N = 131)	Dead (n = 33)		Survivors (n = 98)		HR [CI95%]	value
Age
18–29 years	27	3	11.11%	24	88.89%	Reference
30–39 years	32	6	18.75%	26	81.25%	1.77 [0.44–7.07]	0.420
40–49 years	28	3	10.71%	25	89.29%	0.95 [0.19–4.71]	0.950
50–59 years	20	5	25.00%	15	75.00%	2.52 [0.60–10.54]	0.207
≥60 years	24	16	66.67%	8	33.33%	7.85 [2.28–27.03]	0.001
Gender
Female	59	11	18.64%	48	81.36%	Reference
Male	72	22	30.56%	50	69.44%	1.78 [0.86–3.67]	0.119
Occupation
Private sector	46	6	13.04%	40	86.96%	Reference
Public sector	26	7	26.92%	19	73.08%	2.20 [0.74–6.54]	0.157
Unemployed	59	20	33.90%	39	66.10%	2.75 [1.10–6.86]	0.030
Alcohol consumption
No	93	24	25.81%	69	74.19%	Reference
Yes	38	9	23.68%	29	76.32%	0.92 [0.43–2.00]	0.839
Smoking
No	115	30	26.09%	85	73.91%	Reference
Yes	16	3	18.75%	13	81.25%	0.68 [0.21–2.24]	0.532
Anuria
No	66	11	16.67%	55	83.33%	Reference
Yes	65	22	33.85%	43	66.15%	2.11 [1.02–4.36]	0.043
Coma
No	49	4	8.16%	45	91.84%	Reference
Yes	82	29	35.37%	53	64.63%	5.01 [1.76–14.27]	0.003
Respiratory distress
No	98	20	20.41%	78	79.59%	Reference
Yes	33	13	39.39%	20	60.61%	2.15 [1.07–4.32]	0.032
Seizures
No	106	27	25.47%	79	74.53%	Reference
Yes	25	6	24.00%	19	76.00%	0.97 [0.40–2.36]	0.956
Pulmonary edema
No	87	18	20.69%	69	79.31%	Reference
Yes	44	15	34.09%	29	65.91%	1.73 [0.87–3.44]	0.116
Vomiting
No	81	23	28.40%	58	71.60%	Reference
Yes	50	10	20.00%	40	80.00%	0.68 [0.32–1.43]	0.312
Hyperkalemia
No	56	2	96.43%	54	96.43%	Reference
Yes	75	31	41.33%	44	58.67%	14.38 [3.44–60.15]	0.0001