Table 2.

Adjusted hazard ratios and their 95% CIs for mortality after transfer from peritoneal dialysis to hemodialysis during early, medium, and late periods and in 4 international registries

Characteristics	ANZDATA			CORR			ERA Registry			USRDS
	Early <90 d	Medium 91–180 d	Late >180 d	Early <90 d	Medium 91–180 d	Late >180 d	Early <90 d	Medium 91–180 d	Late >180 d	Early <90 d	Medium 91–180 d	Late >180 d
Age, ref. <50 yr
50–59	2.05 (1.43–2.93)	1.18 (0.76–1.81)	1.56 (1.17–1.79)	1.49 (1.03–2.15)	1.50 (0.91–2.48)	1.37 (1.16–1.62)	1.99 (1.61–2.48)	1.62 (1.23–2.12)	1.63 (1.49–1.78)	1.85 (1.69–2.03)	1.68 (1.51–1.87)	1.69 (1.65–1.75)
60–69	2.95 (2.11–4.10)	1.73 (1.17–2.54)	1.99 (1.75–2.24)	2.71 (1.97–3.73)	2.20 (1.39–3.48)	1.85 (1.59–2.14)	3.62 (2.99–4.39)	2.96 (2.34–3.75)	2.26 (2.08–2.44)	3.00 (2.75–3.27)	2.53 (2.28–2.79)	2.43 (2.36–2.51)
≥70	4.94 (3.58–6.80)	2.55 (1.74–3.71)	2.93 (2.59–3.32)	4.26 (3.13–5.80)	3.23 (2.08–5.03)	2.69 (2.33–3.11)	5.25 (4.35–6.33)	4.25 (3.37–5.35)	3.19 (2.95–3.44)	5.36 (4.94–5.82)	4.15 (3.76–4.57)	3.86 (3.74–3.98)
Sex, ref. female
Male	0.79 (0.66–0.95)	0.76 (0.58–0.97)	1.05 (0.97–1.14)	0.95 (0.80–1.14)	1.03 (0.78–1.35)	1.17 (1.07–1.28)	0.81 (0.73–0.90)	1.06 (0.91–1.22)	1.17 (1.12–1.23)	0.94 (0.90–0.99)	1.01 (0.95–1.07)	1.08 (2.06–1.10)
Primary kidney disease, ref. diabetes
GN	0.66 (0.51–0.85)	0.49 (0.34–0.70)	0.58 (0.52–0.64)	0.56 (0.42–0.75)	0.55 (0.36–0.85)	0.54 (0.47–0.62)	0.48 (0.40–0.59)	0.44 (0.34–0.57)	0.50 (0.46–0.54)	0.72 (0.65–0.78)	0.67 (0.60–0.75)	0.57 (0.55–0.59)
HTN	0.97 (0.75–1.25)	0.88 (0.62–1.25)	0.76 (0.67–0.85)	0.82 (0.66–1.03)	0.76 (0.52–0.92)	0.72 (0.64–0.82)	0.90 (0.77–1.05)	0.65 (0.53–0.80)	0.67 (0.62–0.72)	0.86 (0.81–0.92)	0.79 (0.73–0.85)	0.74 (0.72–0.76)
Other	0.89 (0.71–1.11)	0.55 (0.39–0.77)	0.64 (0.58–0.71)	0.76 (0.60–0.95)	0.77 (0.54–1.10)	0.66 (0.58–0.74)	0.73 (0.65–0.83)	0.65 (0.53–0.77)	0.60 (0.56–0.63)	0.91 (0.85–0.99)	0.84 (0.76–0.92)	0.66 (0.64–0.69)
Yr, ref. 2000–2004
2005–2009	0.91 (0.75–1.11)	0.85 (0.65–1.10)	0.81 (0.74–0.88)	0.83 (0.69–1.00)	0.70 (0.52–0.92)	0.99 (0.90–1.09)	0.76 (0.67–0.85)	0.71 (0.61–0.83)	0.76 (0.72–0.80)	0.84 (0.79–0.90)	0.88 (0.82–0.95)	0.88 (0.86–0.91)
2010–2014	0.68 (0.52–0.87)	0.48 (0.33–0.70)	0.79 (0.69–0.90)	0.79 (0.61–1.01)	0.66 (0.44–1.01)	0.81 (0.65–0.99)	0.61 (0.53–0.70)	0.59 (0.49–0.71)	0.75 (0.69–0.80)	0.77 (0.73–0.82)	0.79 (0.73–0.85)	0.94 (0.91–0.96)
PD duration ref. <6 mo
6 mo–3 yr	1.26 (0.99–1.58)	1.2 (0.88–1.65)	1.16 (1.06–1.27)	1.31 (1.04–1.64)	1.45 (1.02–2.07)	1.07 (0.97–1.19)	1.18 (1.04–1.34)	1.11 (0.94–1.31)	1.03 (0.98–1.09)	1.35 (1.27–1.43)	1.25 (1.16–1.34)	1.10 (1.08–1.13)
≥3 yr	2.20 (1.70–2.85)	1.57 (1.08–2.28)	1.34 (1.19–1.52)	2.00 (1.53–2.59)	2.12 (1.40–3.21)	1.31 (1.13–1.52)	2.04 (1.76–2.35)	1.61 (1.32–1.96)	1.21 (1.12–1.30)	2.14 (1.98–2.30)	1.87 (1.70–2.05)	1.35 (1.31–1.40)

ANZDATA, Australia and New Zealand Dialysis and Transplantation registry; CORR, Canadian Organ Replacement Register; d, day; ERA, Europe Renal Association Registry; GN, glomerulonephritis; HD, hemodialysis; HTN, hypertensive nephrosclerosis; PD, peritoneal dialysis; ref, reference category; ref., reference; USRDS, United States Renal Dialysis System.

Adjusted for age, sex, primary kidney disease, year of kidney replacement therapy initiation, and PD duration before transfer to HD.