Table 1.

Background of patients

	Recovered		Died		p valuea
	n	%	n	%
Age
< 60	250	35.8	29	9.3	< 0.001
60 s	164	23.5	45	14.5
≥ 70	285	40.8	237	76.2
Gender
Male	497	71.3	212	68.4	0.37
Female	200	28.7	98	31.6
Primary disease
Chronic glomerulonephritis	123	19.4	37	13.8	0.211
Diabetes mellitus	328	51.8	147	54.6
Nephrosclerosis	87	13.7	43	16.0
Others	95	15.0	42	15.6
Duration of dialysis
< 1 year	95	13.9	21	7.5	0.015
1 to < 5 years	257	37.6	94	33.7
5 to < 10 years	164	24.0	78	28.0
10 to < 15 years	83	12.1	45	16.1
≥ 15 years	85	12.4	41	14.7
Complication
Hypertension
No	383	56.2	158	57.0	0.83
Yes	299	43.8	119	43.0
Diabetes mellitus
No	335	48.4	120	42.7	0.119
Yes	357	51.6	161	57.3
Cardiovascular disease
No	420	62.5	131	48.9	< 0.001
Yes	252	37.5	137	51.1
Chronic respiratory disease
No	625	92.5	243	89.3	0.122
Yes	51	7.5	29	10.7
Peripheral arterial disease
No	585	87.3	198	74.7	< 0.001
Yes	85	12.7	67	25.3
Malignancy
No	586	86.8	226	84.0	0.298
Yes	89	13.2	43	16.0
Number of complications
0	114	16.5	29	10.2	0.008
1	218	31.5	80	28.2
≥ 2	361	52.1	175	61.6
Oxygenation
No	302	44.8	29	10.5	< 0.001
Yes	320	47.5	174	63.0
Ventilator or ECMO	52	7.7	73	26.4
Remdesivir
No	591	89.0	235	90.0	0.723
Yes	73	11.0	26	10.0
Dexamethasone
No	374	56.2	107	40.5	< 0.001
Yes	291	43.8	157	59.5

ECMO extracorporeal membrane oxygenation

^aFisher’s exact test