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Table 2 The overall and subgroup-specific incidence rates (IR) and incidence rate ratios (IRR) of death between ESRDPos patients and matched ESRDNeg controls

From: Effect of end-stage renal disease on long-term survival after a first-ever mechanical ventilation: a population-based study

Variables

ESRDPos patients

ESRDNeg controls

IRR (95 % CI)

P

 

Total (n)

Death (n)

IR (per 1000 person-years)

Total (n)

Death (n)

IR (per 1000 person-years)

  

All

1185

898

342.30

9480

5806

179.67

1.92 (1.79–2.07)

<0.0001

Age group, years

 <50

152

90

175.34

1264

509

80.90

2.17 (1.73–2.71)

<0.0001

 50–64

339

241

261.52

2731

1481

142.16

1.84 (1.61–2.11)

<0.0001

 ≧65

694

567

477.04

5485

3816

244.53

1.95 (1.79–2.13)

<0.0001

Sex

 Male

610

474

388.34

5048

3102

179.79

2.16 (1.96–2.38)

<0.0001

 Female

575

424

302.25

4432

2704

179.64

1.68 (1.52–1.86)

<0.0001

Comorbidity

 Diabetes

568

447

411.98

4379

2946

224.98

1.83 (1.66–2.02)

<0.0001

 Hypertension

757

570

336.70

5954

3764

193.81

1.74 (1.59–1.90)

<0.0001

 CAD

377

293

386.34

2948

1830

181.80

2.13 (1.88–2.40)

<0.0001

 Liver cirrhosis

120

101

481.91

1025

839

449.78

1.07 (0.87–1.32)

0.5123

 COPD

175

153

602.27

1394

960

219.92

2.74 (2.31–3.25)

<0.0001

 Cancer

183

138

339.96

1475

1068

294.69

1.15 (0.97–1.38)

0.1142

 Stroke

343

278

463.19

2711

1852

236.90

1.96 (1.72–2.22)

<0.0001

 CHF

215

161

338.72

1699

1179

251.31

1.35 (1.14–1.59)

0.0004

Department to which admitted

 Surgery

324

225

257.56

2649

1133

87.26

2.95 (2.56–3.41)

<0.0001

 Medical

861

673

384.60

6831

4673

241.73

1.59(1.47–1.72)

<0.0001

Number of organ failures (other than lungs and kidneys)

 0

867

633

290.32

6979

3812

136.93

2.12 (1.95–2.31)

<0.0001

 1

294

245

589.45

2298

1818

430.62

1.37 (1.20–1.56)

<0.0001

 ≧2

24

20

728.53

203

176

691.46

1.05 (0.66–1.67)

0.8249

Follow-up

 0–6 month

1185

717

2497.50

9480

4445

1571.80

1.59 (1.47–1.72)

<0.0001

 6–12 months

468

44

197.37

5035

263

107.515

1.84 (1.33–2.53)

0.0002

 1–2 years

424

46

115.34

4772

321

69.83

1.65 (1.21–2.25)

0.0015

 2–4 years

378

52

76.36

4451

374

45.28

1.69 (1.26–2.25)

0.0004

 4–6 years

292

22

45.21

3616

186

30.25

1.49 (0.96–2.32)

0.0747

 > = 6 years

196

17

31.08

2537

217

27.01

1.15 (0.70–1.89)

0.5570

  1. ESRD end stage renal disease, ESRDPos with ESRD, ESRDNeg without ESRD, IRR incidence rate ratio, CI confidence interval, IR incidence rate, CAD coronary artery disease, COPD chronic obstructive airway disease, CHF congestive heart disease
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