Table 2

Clinical characteristics of dehydrated patients

Mild (n=67)Moderate (n=29)Severe (n=10)Total (n=106)p Value
Mean (SD) age (months)22.6 (15.7)22.7 (16)27.0 (16.8)23.1 (15.8)0.6
No of boys33147540.44
No with diarrhoea532610890.15
No with vomiting55278900.34
Mean (SD) bicarbonate concentration (mmol/l)19.5 (3.9)19.1 (3.4)16.9 (3.8)19.1 (3.8)0.7
 Age <1 year (n=36)18.4 (4.4) (n=23)18.9 (3.9) (n=10)14.0 (3.6) (n=3)18.1 (4.3)0.8
 Age 1–2 years (n=28)18.7 (3.3) (n=18)17.4 (3.3) (n=9)20.0 (0) (n=1)18.3 (3.2)0.5
 Age 2–5 years (n=42)21.0 (3.4) (n=26)20.9 (2.2) (n=10)17.8 (3.6) (n=6)20.5 (3.3)0.4
p Value0.020.080.250.01
No with bicarbonate < 22 mmol/l392310720.009
No with bicarbonate < 16 mmol/l1164210.2
Mean (SD) anion gap (mmol/l)16.7 (3.9)17.8 (4.1)17.2 (4.7)17.1 (4)0.5
No with anion gap > 16 mmol/l39165600.87
Mean (SD) potassium (mmol/l)4 (0.5)4.1 (0.6)3.4 (0.5)3.9 (0.6)0.2
Mean (SD) GFR (ml/min/1.73 m2)98.6 (27)96.4 (17)87.5 (39)96.3 (26)0.7
Proportion with reduced GFR (%)10.517.34016.90.08
Mean urine specific gravity1.0141.0201.0201.0170.16
Mean (SD) urine pH5.7 (1)6.1 (1)5.2 (0.4)5.7 (0.9)0.24