Table 1 Potential structural and process factors for contamination

Inadequate number of nephrologist

1.94 [1.58, 2.29]

2.05 [1.70, 2.40]

2.11 [1.91, 2.30]

Inadequate number of PD nurse

2.00 [1.66, 2.34]

2.65 [2.27, 3.04]

2.51 [2.29, 2.73]

Patient male gender

1.68 [1.44, 1.92]

1.79 [1.52, 2.06]

2.06 [1.89, 2.23]

Patient history of diabetes

2.61 [2.29, 2.94]

2.59 [2.26, 2.93]

2.79 [2.61, 2.97]

Patient history of peritonitis

2.68 [2.39, 2.98]

2.81 [2.49, 3.14]

3.03 [2.83, 3.22]

Care by patient’s relatives

2.16 [1.87, 2.45]

2.75 [2.42, 3.08]

2.59 [2.40, 2.77]

Use APD

1.58 [1.38, 1.78]

1.71 [1.48, 1.95]

2.60 [2.42, 2.76]

Low serum albumin

2.56 [2.24, 2.89]

2.97 [2.66, 3.28]

2.84 [2.66, 3.02]

Inadequate dialysis

2.21 [1.93, 2.48]

2.81 [2.50, 3.13]

3.00 [2.80, 3.20]

Types of Tenchkoff catheter

2.11 [1.82, 2.40]

2.32 [2.03, 2.60]

2.41 [2.23, 2.58]

Antibiotic prophylaxis

1.69 [1.44, 1.94]

1.82 [1.56, 2.09]

2.26 [2.07, 2.45]

Use of povidone-iodine for dressing

2.67 [2.33, 3.00]

3.11 [2.74, 3.47]

3.35 [3.16, 3.55]

Use of chlorhexidine for dressing

1.83 [1.60, 2.07]

2.18 [1.91, 2.45]

2.39 [2.21, 2.56]

Dressing techniques

2.32 [1.99, 2.66]

2.71 [2.39, 3.04]

2.78 [2.59, 2.97]

Lack of soaking transfer set in antiseptics

2.11 [1.80, 2.42]

2.49 [2.15, 2.84]

2.81 [2.62, 3.01]

Use of povidone-iodine during transfer set change

3.05 [2.71, 3.38]

3.50 [3.17, 3.83]

3.43 [3.24, 3.62]

Use of chlorhexidine during transfer set change

1.76 [1.53, 1.99]

2.37 [2.07, 2.67]

2.42 [2.26, 2.58]

Had dry abdomen period

2.62 [2.22, 3.03]

2.89 [2.49, 3.30]

2.76 [2.57, 2.94]

Use of Baxter (India) as dialysate

2.22 [1.92, 2.53]

2.76 [2.41, 3.11]

2.43 [2.26, 2.61]

Use of Baxter (Singapore) as dialysate

2.08 [1.81, 2.36]

2.39 [2.07, 2.70]

2.35 [2.19, 2.51]

Use of Fresenius as dialysate

1.82 [1.55, 2.09]

2.21 [1.90, 2.52]

2.26 [2.10, 2.42]

Use of GHP as dialysate

1.96 [1.58, 2.35]

2.15 [1.84, 2.46]

2.21 [2.05, 2.36]