Table 2.

Logistic regression analysis using backward selection for overall mortality.

Variables	Comparison	Univariate		Multivariate
		Crude OR (95% CI)	p	Adjusted OR (95% CI)	p
Sex	Female versus male	1.11 (0.79–1.55)	0.544	–
DM	Yes versus no	2.37 (1.65–3.41)	<0.001	1.87 (1.25–2.81)	<0.001
Age, years	⩾61.59 versus <61.59	3.55 (2.50–5.05)	<0.001	2.09 (1.41–3.10)	<0.001
Hemodialysis vintage, years	⩾7.49 versus <7.49	0.84 (0.59–1.17)	0.300	–
Hemoglobin, g/dL	⩾10.48 versus <10.48	0.46 (0.33–0.64)	<0.001	0.62 (0.42–0.90)	0.643
White blood cell, 103/µL	⩾6.19 versus <6.19	1.26 (0.90–1.76)	0.177	–
Platelet, 103/µL	⩾195 versus <195	1.08 (0.78–1.51)	0.637	–
Albumin, g/dL	<3.76 versus ⩾3.76	4.40 (3.10–6.24)	<0.001	2.65 (1.81–3.88)	<0.001
Ferritin, Fe, ng/cc	⩾415.48 versus <415.48	1.78 (1.27–2.50)	0.001	–
Blood urea nitrogen, mg/dL	⩾68.77 versus <68.77	0.74 (0.53–1.04)	0.079	–
Creatinine, mg/dL	<10.65 versus ⩾10.65	2.62 (1.85–3.73)	<0.001	1.51 (0.98–2.31)	3.725
Potassium, meq/L	⩾5 versus <5	1.4 (1.01–1.96)	0.046	–
Corrected serum calcium, mg/dL	⩾9.53 versus <9.53	1.16 (0.84–1.62)	0.368	–
Phosphorus, mg/dL	⩾5 versus <5	1.27 (0.91–1.77)	0.158	–
Urea reduction ratio	⩾0.74 versus <0.74	0.72 (0.52–1.01)	0.057	–
Kt/V urea-Daugirdas score	⩾1.70 versus <1.70	1.64 (1.17–2.32)	0.004	0.60 (0.40–0.89)	<0.001
Cardiothoracic ratio	⩾0.51 versus <0.51	2.64 (1.88–3.72)	<0.001	1.64 (1.12–2.40)	<0.001
Intact parathyroid hormone, pg/mL	⩾402.06 versus <402.06	0.76 (0.53–1.08)	0.129	0.29 (0.18–0.47)	1.083

Bold font indicates statistically significant results with p-value less than 0.05.

Adjusted-OR, adjusted odds ratio estimated from multivariate logistic regression; CI, confidence interval; Crude-OR, crude odds ratio estimated from univariate analysis.