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Table 3 Adjusted factors contributing to high peritonitis rate among children on peritoneal dialysis

From: Factors influencing occurrence of peritonitis in Saudi children on peritoneal dialysis

      

95% CI for aRR

Factor

Reference

B

SE

P

aRR

Lower

Upper

Intercept

 

−6.321

1.804

0.001

   

Female

Male

0.712

0.560

0.204

2.039

0.680

6.114

Age: 6–10 yrs

<  6 yrs

−0.684

0.640

0.286

0.505

0.144

1.771

Age: >  10 yrs

<  6 yrs

1.984

0.785

0.012*

7.273

1.562

33.860

Residency: Outside Riyadh

Riyadh

0.976

0.366

0.008*

2.654

1.295

5.435

Diagnosis

 Low socioeconomic

Average or high

0.184

0.819

0.822

1.202

0.242

5.978

 Congenital nephrosis

Others

1.543

0.600

0.010*

4.677

1.443

15.155

 Hypoplastic kidney

Others

0.745

0.488

0.127

2.107

0.809

5.489

 Reflux nephropathy with neurogenic bladder

Others

−0.035

1.130

0.976

0.966

0.106

8.842

Glucose concentration

 2.50%

1.50%

0.115

0.559

0.838

1.122

0.375

3.356

 Mixed (1.5–2.5%)

1.50%

0.093

0.431

0.829

1.098

0.472

2.555

 Catheter removal

No

−0.485

0.515

0.346

0.616

0.225

1.687

 Height: below 3rd percentile

Appropriate

1.545

0.468

0.001*

4.689

1.874

11.735

 Weight: below 3rd percentile

3rd-95th percentile

1.684

0.595

0.005*

5.388

1.678

17.302

 Urine output: Anuria

Passing

−0.139

0.905

0.878

0.870

0.148

5.128

 Abnormal WBC

Normal (4–12 g/l)

0.061

0.393

0.876

1.063

0.492

2.297

 Neutrophils: High

Normal

0.820

0.747

0.272

2.270

0.525

9.812

Peritoneal cell count: 100 or less

More than 100

1.705

1.326

0.199

5.499

0.409

73.999

 Peritoneal analysis: More than 50

50 or less

1.790

1.360

0.188

5.990

0.417

86.158

Peritoneal fluid culture

 Coagulase-negative staph (staph Epidermidids)

No growth

0.803

1.073

0.454

2.232

0.273

18.265

 Viridans streptococci

No growth

1.138

0.876

0.194

3.121

0.561

17.366

 Others

No growth

1.362

0.530

0.010*

3.905

1.383

11.022

 Albumin level: Low

Normal

1.397

0.346

0.001*

4.041

2.053

7.956

 Cefazolin

Mixed(cefazolin+ceftazidime)

−0.962

0.996

0.334

0.382

0.054

2.693

 Ceftazidime

Mixed(cefazolin+ceftazidime)

−1.209

0.778

0.120

0.298

0.065

1.370

 Vancomycin

Mixed(cefazolin+ceftazidime)

−0.100

0.721

0.889

0.905

0.220

3.718

 Other

Mixed(cefazolin+ceftazidime)

0.735

1.051

0.484

2.085

0.266

16.341

Duration of antibiotic

 2 weeks

10 days

1.081

0.475

0.023*

2.947

1.163

7.468

 3 weeks/3 months

10 days

1.885

0.689

0.006*

6.587

1.708

25.408

  1. *The Wald Chi-Square test is significant at P ≤ 0.05. aRR adjusted rate ratio. B, the estimated Poisson regression coefficient
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BMC Pediatrics

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