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Table 3 Risk factors for mortality assessed by univariate and multivariate Cox regression model

From: Effects of dialysis modality choice on the survival of end-stage renal disease patients in southern China: a retrospective cohort study

 

Patients younger than 60 years old

PD (n = 352), HD (n = 233)

Patients older than 70 years old

PD (n = 48), HD (n = 92)

Univariate

HR (95% CI)

Multivariatea

HR (95% CI)

PSMb-Multivariatea

PD and HD (n = 226)

HR (95% CI)

Univariate

HR (95% CI)

Multivariatea

HR (95% CI)

PSMb-Multivariatea

PD and HD (n = 42)

HR (95% CI)

Age at dialysis initiation (per 1 year)

1.03 (1.00–1.06)

1.02 (0.99–1.05)

1.02 (0.99–1.06)

1.05 (0.98–1.11)

1.05 (0.98–1.13)

1.07 (0.96–1.18)

Sex (female vs male)

0.58 (0.33–1.00)

0.53 (0.29–0.95)

0.58 (0.30–1.13)

0.83 (0.49–1.42)

0.90 (0.49–1.63)

1.14 (0.47–2.75)

Diabetes(n)

1.89 (1.12–3.20)

1.14 (0.62–2.11)

1.26 (0.46–3.44)

1.00 (0.58–1.70)

1.13 (0.61–2.09)

1.77 (0.61–5.17)

Hypertension(n)

1.68 (0.67–4.20)

1.33 (0.50–3.52)

1.44 (0.43–4.86)

1.18 (0.16–8.56)

1.52 (0.19–12.24)

0.95 (0.10–8.92)

Charlson Comorbidities Index (CCI)

1.23 (1.07–1.41)

0.93 (0.64–1.36)

0.63 (0.24–1.66)

1.02 (0.82–1.25)

0.90 (0.61–1.32)

1.06 (0.64–1.75)

Congestive heart failure(n)

1.51 (0.87–2.61)

1.11 (0.61–2.00)

1.22 (0.56–2.65)

1.08 (0.63–1.85)

0.99 (0.52–1.85)

1.35 (0.49–3.71)

Cerebrovascular disease(n)

1.72 (0.78–3.80)

1.21 (0.52–2.81)

1.24 (0.42–3.65)

1.04 (0.60–1.79)

0.83 (0.44–1.57)

0.56 (0.19–1.63)

Chronic pulmonary disease(n)

1.42 (0.51–3.93)

1.07 (0.38–3.02)

0.93 (0.26–3.27)

1.83 (0.96–3.48)

1.68 (0.81–3.50)

1.00 (0.34–2.96)

Cardiovascular disease(n)

2.87 (1.41–5.86)

2.56 (1.16–5.66)

1.79 (0.71–4.51)

1.29 (0.73–2.28)

1.44 (0.70–2.95)

3.61 (1.31–10.00)

Body mass index (per 1 kg/m2)

1.04 (0.98–1.11)

1.01 (0.94–1.08)

1.02 (0.95–1.10)

0.95 (0.88–1.02)

0.96 (0.88–1.04)

0.88 (0.77–1.01)

Hemoglobin (per 1 g/L)

1.01 (0.99–1.02)

1.00 (0.99–1.02)

1.00 (0.99–1.02)

1.00 (0.98–1.01)

1.00 (0.98–1.01)

1.01 (0.99–1.03)

Plasma albumin (per 1 g/L)

0.97 (0.93–1.02)

0.98 (0.94–1.04)

0.99 (0.93–1.04)

0.96 (0.91–1.02)

0.96 (0.90–1.02)

1.02 (0.92–1.13)

Triglyceride (per 1 mmol/L)

1.00 (0.97–1.03)

1.03 (0.98–1.08)

1.20 (0.78–1.84)

0.98 (0.95–1.02)

1.00 (0.94–1.05)

1.41 (0.63–3.12)

Cholesterol (per 1 mmol/L)

1.31 (1.12–1.54)

1.37 (1.16–1.63)

1.27 (1.02–1.58)

1.04 (0.79–1.36)

1.07 (0.79–1.46)

1.13 (0.73–1.75)

Dialysis Methods (HD vs. PD)

1.85 (1.09–3.14)

1.96 (1.13–3.41)

2.26 (1.17–4.35)

0.58 (0.33–1.03)

0.46 (0.23–0.91)

0.33 (0.14–0.79)

  1. PSM Propensity score match, HR Hazard ratio, 95% CI 95% confidence interval, PD Peritoneal dialysis, HD Hemodialysis
  2. aVariables adjusted in multivariate Cox model for both subgroups: sex, age at dialysis initiation, diabetes mellitus, cerebrovascular disease, congestive heart failure, chronic pulmonary disease, cardiovascular diseases, CCI, primary disease of renal failure (glomerulonephritis or polycystic kidney disease), body mass index, plasma albumin, cholesterol, and hemoglobin.
  3. bThe characteristics used in PSM included: sex, age at dialysis initiation, diabetes mellitus, cerebrovascular disease, congestive heart failure, chronic pulmonary disease, cardiovascular diseases, CCI, primary disease of renal failure (glomerulonephritis or polycystic kidney disease), body mass index, plasma albumin, cholesterol, and hemoglobin.
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BMC Nephrology

ISSN: 1471-2369

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