Tab. I.

Descriptive statistics of discrete features related to participants.

Variables	Alive		Death
	N	%	N	%
Gender: male female	256 192	57 43	208 200	51 49
Marriage status: single married divorce	76 366 6	17 82 1	6 396 6	1.5 97.5 1
Education: illiterate primary and middle high school university	194 145 87 22	43.3 32.4 19.3 5	260 104 36 8	63.7 25.5 8.8 2.0
Location: urban rural	287 161	64 36	248 160	61 39
Smoking: no yes	366 82	82 18	296 112	72 28
Addiction: no yes	399 49	89 11	331 77	81 19
Blood group: A B AB O	153 103 30 162	34 23 7 36	126 97 34 151	31 24 8 37
Rh: + -	407 41	91 9	361 41	89 11
Viral marker: HIV HBV HVC no	2 7 11 428	0.5 1.6 2.4 95.5	3 7 3 395	0.7 1.7 0.7 96.9
Diabetes: no yes	312 136	70 30	246 162	60 40
Hypertension: no yes	269 179	60 40	239 169	59 41
ESRD cause: diabetes diabetes & bp blood pressure urological & obstructive diseases polycystic kidney glomerulonephritis other	91 45 127 38 18 47 82	20.3 10.0 28.3 8.5 4.1 10.5 18.3	116 46 120 40 18 13 55	28.4 11.3 29.4 9.8 4.4 3.2 13.5
Vascular access: temporary catheter permanent catheter fistula graft	69 151 217 11	15.4 33.7 48.4 2.5	66 135 192 15	16 33 47 4
Dialysis weekly: 1 2 3 4	8 95 340 5	2 21 76 1	7 74 317 10	1.7 18.1 77.7 2.5
CRP: negative positive	310 138	69 31	242 166	59 41