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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
FactorReferenceBSEPaRRLowerUpper
Intercept −6.3211.8040.001   
FemaleMale0.7120.5600.2042.0390.6806.114
Age: 6–10 yrs<  6 yrs−0.6840.6400.2860.5050.1441.771
Age: >  10 yrs<  6 yrs1.9840.7850.012*7.2731.56233.860
Residency: Outside RiyadhRiyadh0.9760.3660.008*2.6541.2955.435
Diagnosis
 Low socioeconomicAverage or high0.1840.8190.8221.2020.2425.978
 Congenital nephrosisOthers1.5430.6000.010*4.6771.44315.155
 Hypoplastic kidneyOthers0.7450.4880.1272.1070.8095.489
 Reflux nephropathy with neurogenic bladderOthers−0.0351.1300.9760.9660.1068.842
Glucose concentration
 2.50%1.50%0.1150.5590.8381.1220.3753.356
 Mixed (1.5–2.5%)1.50%0.0930.4310.8291.0980.4722.555
 Catheter removalNo−0.4850.5150.3460.6160.2251.687
 Height: below 3rd percentileAppropriate1.5450.4680.001*4.6891.87411.735
 Weight: below 3rd percentile3rd-95th percentile1.6840.5950.005*5.3881.67817.302
 Urine output: AnuriaPassing−0.1390.9050.8780.8700.1485.128
 Abnormal WBCNormal (4–12 g/l)0.0610.3930.8761.0630.4922.297
 Neutrophils: HighNormal0.8200.7470.2722.2700.5259.812
Peritoneal cell count: 100 or lessMore than 1001.7051.3260.1995.4990.40973.999
 Peritoneal analysis: More than 5050 or less1.7901.3600.1885.9900.41786.158
Peritoneal fluid culture
 Coagulase-negative staph (staph Epidermidids)No growth0.8031.0730.4542.2320.27318.265
 Viridans streptococciNo growth1.1380.8760.1943.1210.56117.366
 OthersNo growth1.3620.5300.010*3.9051.38311.022
 Albumin level: LowNormal1.3970.3460.001*4.0412.0537.956
 CefazolinMixed(cefazolin+ceftazidime)−0.9620.9960.3340.3820.0542.693
 CeftazidimeMixed(cefazolin+ceftazidime)−1.2090.7780.1200.2980.0651.370
 VancomycinMixed(cefazolin+ceftazidime)−0.1000.7210.8890.9050.2203.718
 OtherMixed(cefazolin+ceftazidime)0.7351.0510.4842.0850.26616.341
Duration of antibiotic
 2 weeks10 days1.0810.4750.023*2.9471.1637.468
 3 weeks/3 months10 days1.8850.6890.006*6.5871.70825.408
  1. *The Wald Chi-Square test is significant at P ≤ 0.05. aRR adjusted rate ratio. B, the estimated Poisson regression coefficient