Mean (SD) age (months) | 22.6 (15.7) | 22.7 (16) | 27.0 (16.8) | 23.1 (15.8) | 0.6 |
No of boys | 33 | 14 | 7 | 54 | 0.44 |
No with diarrhoea | 53 | 26 | 10 | 89 | 0.15 |
No with vomiting | 55 | 27 | 8 | 90 | 0.34 |
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 Value | 0.02 | 0.08 | 0.25 | 0.01 | |
No with bicarbonate < 22 mmol/l | 39 | 23 | 10 | 72 | 0.009 |
No with bicarbonate < 16 mmol/l | 11 | 6 | 4 | 21 | 0.2 |
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/l | 39 | 16 | 5 | 60 | 0.87 |
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 (%) | 10.5 | 17.3 | 40 | 16.9 | 0.08 |
Mean urine specific gravity | 1.014 | 1.020 | 1.020 | 1.017 | 0.16 |
Mean (SD) urine pH | 5.7 (1) | 6.1 (1) | 5.2 (0.4) | 5.7 (0.9) | 0.24 |