Table 1.

Symptoms and signs at the onset of congenital NDI (n = 143)

Symptoms and signs	n
Polyuria	79
Polydipsia	69
Thirst	19
Nocturnal enuresis	15
Fever	53
Poor weight gain	41
Failure to thrive	14
Mental retardation	8
Vomiting	12
Anorexia	6
Convulsion	3
Disturbance of consciousness	1
Constipation	1
Others*	9

NDI, nephrogenic diabetes insipidus.

*Urinary tract infection, dysphoria, weight loss, bradycardia.