Table 1 Clinical and laboratory characteristics of infants without and with laboratory features consistent with the diagnosis of transient pseudo-hypoaldosteronism. Data are presented as frequency or as median and interquartile range

N

54

17

 Males: Females

31: 23

11: 6

0.76

 Age, months

4.8 [2.2–11]

4.0 [3.3–7.3]

0.93

 Hemoglobin, g/L

113 [106–122]

114 [104–122]

0.56

 Leukocyte count, 10⁹/L

14.4 [11.6–19.9]

14.6 [11.5–19.8]

0.76

 Platelet count, 10⁹/L

415 [319–470]

416 [322–469]

0.48

 C-reactive protein, mg/L

30 [11–90]

35 [15–60]

0.42

 Sodium, mmol/L

134 [133–136]

131 [129–133]

•

 Potassium mmol/L

4.7 [4.3–4.9]

5.5 [4.7–6.0]

•

 Bicarbonate, mmol/L

24 [22–26]

19 [18–21]

•

 Creatinine, μmol/L

27 [20–33]

28 [25–31]

0.53

 Urea, mmol/L

2.8 [2.2–3.5]

2.4 [2.2–3.7]

0.33

Altered kidney-urinary tract ultrasound

7*

4^✙

0.44