Ten-year graft survival of deceased-donor kidney transplantation: a single-center experience

Figures & data

TABLE 1.  Frequency distribution of studied variables compared with each other and their related survival rates in different time intervals including 1, 3, 5, and 9 years after kidney transplantation

Variables		N (%)	Survival rates (%)				P-value (log-rank test)
			1 year	3 years	5 years	9 years
Total patients		487 (100)	93.7	89.1	82.1	80.1	–
Donor sex	Male	373 (73.1)	98.32	90.59	82.27	82.27	0.28
	Female	137 (26.9)	93.4	84.19	80.27	74.08
Recipient sex	Male	292 (57.1)	94.7	90.37	81.51	87.1	0.86
	Female	219 (42.9)	92.37	87.31	83.15	83.15
Donor age	<50 years	456 (89.8)	94.42	90.05	82.25	81.22	0.1
	>50	52 (10.2)	86.97	79.34	79.34	–
Recipient age	<50 years	434 (84.8)	93.61	88.59	81.29	80.23	0.54
	>50 years	78 (15.2)	94.36	91.74	86.34	–
Blood group	Same	446 (88.8)	93.36	88.11	80.66	78.24	0.06
	Compatible	56 (1.2)	98.08	94.15	94.15	94.15
Dialysis time	<2 years	346 (78.6)	95	89.91	86.12	83.48	0.1
	>2 years	94 (21.4)	95.15	89.95	65.02	–
Cause of ESRD	Diabetic	29 (5.7)	86.21	81.67	74.86	74.86	0.35
	Non-diabetic	483 (94.3)	94.23	89.62	82.69	80.5
Cause of ESRD	Known	270 (52.7)	91.68	87.13	81.25	81.25	0.5
	Unknown	242 (47.3)	95.53	90.8	82.75	78.38

TABLE 2.  Frequency distribution of surgical/medical variables during and after operation compared with each other and their related survival rates in different time intervals including 1, 3, 5, and 9 years after kidney transplantation

Variables		N (%)	Survival rates (%)				P-value (log-rank test)
			1 year	3 years	5 years	9 years
First urination	Immediate	329 (87)	94.41	90.01	83.44	80.82	0.48
	Delayed	49 (13)	97.62	87.7	75.86	–
Vein	Simple	367 (97.3)	94.94	89.85	83.25	80.85	0.21
	Double	9 (2.4)	87.5	87.5	52	52
	Triple	1 (0.3)	–	–	–	–
Artery	Simple	319 (84.4)	95.2	90.56	83.42	80.68	0.37
	Double	55 (14.6)	92.11	87.53	76.82	76.82
	Triple	4 (1.1)	100	–	–	–
Vein	Internal iliac	370 (98.9)	94.7	89.64	82.51	80.21	0.61
	Common iliac	4 (1.1)	100	100	–	–
Arterial anastomosis	Internal iliac	330 (87.3)	95.01	90.06	83.28	80.69	0.59
	External iliac	7 (1.9)	100	100	33.3	–
	Both	41 (10.8)	94.8	86.45	82.69	82.69
Endarterectomy	Yes	24 (6.3)	100	94.74	77.37	–	0.9
	No	356 (93.7)	94.48	89.62	82.81	80.45
Cold ischemic time	<2 hours	184 (35.9)	96.53	93.01	89.93	89.93	0.0065
	2–4 hours	155 (30.3)	91.16	85.1	80.582	75.81
	>4 hours	173 (33.8)	92.92	87.9	54.65	–
Immunosuppressive regimen	G1	127 (24.8)	94.35	89.29	82.69	80.2	0.7
	G2	322 (62.9)	95.4	90.7	82.07	–
Hospital stay	<1 week	92 (19.8)	95.31	90.31	70.24	–	0.004
	1–2 weeks	253 (54.4)	96.58	92.91	87.62	85.67
	2–3 weeks	86 (18.5)	93.68	85.36	83.5	83.5
	>3 weeks	34 (7.3)	83.87	78.63	56.16	49.14
Creatinine level at discharge	≤2 mg/dL	174 (75.3)	98.2	94.5	84.6	82.9	0.001
	>2 mg/dL	57 (24.7)	88.6	76.7	66.8	57.2

Note: *Significant.

FIGURE 1. Allograft survival rate in renal transplant recipients from deceased donor.

FIGURE 2. Allograft survival rate in renal transplant recipients compared with the creatinine level at discharge after transplantation.

TABLE 3.  Multivariate analysis by Cox regression model

Variables		p-Value	Hazard ratio	95% CI for hazard ratio
Dialysis time	<2 years		1
	>2 years	0.007	3.14	1.37–7.16
Creatinine level at discharge	≤2 mg/dL		1
	>2 mg/dL	0.005	3.23	1.42–7.31

Note: CI, confidence interval.

FIGURE 3. Allograft survival rate in renal transplant recipients compared with duration of dialysis before operation.