Table 2 Laboratory characteristics in PD patients with culture-negative or culture-positive peritonitis

White blood cell (/µL)

8500 [6100–11650]

8100 [5800–10900]

Hemoglobin (g/dL)

10.7 ± 1.7

10.7 ± 1.6

Platelet (× 10⁴/µL)

23.7 [19.6–30.2]

20.3 [16.3–26.4]

Urea nitrogen (mg/dL)

43.0 [35.0–54.4]

43.7 [35.5–52.8]

Creatinine (mg/dL)

8.6 ± 2.5

8.8 ± 3.1

Total protein (g/dL)

6.0 ± 0.85

6.0 ± 0.89

Albumin (g/dL)

2.9 [2.6–3.2]

3.0 [2.5–3.3]

Aspartate aminotransferase (U/L)

20 [17–28]

19 [15–24]

Alkaline phosphatase (U/L)

207 [159–301]

258 [189–317]

Lactate dehydrogenase (U/L)

228 [183–296]

216 [187–252]

Uric acid (mg/dL)

5.6 ± 1.5

5.3 ± 1.2

Sodium (mmol/L)

137 [134–140]

138 [135–140]

Potassium (mmol/L)

3.9 [3.5–4.5]

3.9 [3.4–4.4]

Corrected calcium (mg/dL)

9.5 ± 0.71

9.3 ± 0.74

Phosphate (mg/dL)

4.5 [3.7–5.4]

4.1 [3.4–5.1]

C-reactive protein (mg/dL)

1.4 [0.51–3.4]

1.5 [0.48–4.9]

Cell counts of dialysate at diagnosis of peritonitis (/µL)

724 [354–1601]

1959 [709–5230]

Cell counts of dialysate after antibiotic administration (/µL)

86 [20–216]

91 [27–470]

β₂-microglobulin (µg/L)

29.8 [24.1–34.9]

26.5 [19.9–33.2]

D/P Cr

0.69 ± 0.09

0.69 ± 0.10

Kt/V urea per week

1.8 [1.4–2.2]

2.0 [1.8–2.4]