Table 1

 Features of the 51 cases studied, with patients divided according to ultrasound findings after treatment.

Ultrasonographic findingp
Nephrolithiasis (n = 4)No nephrolithiasis (n = 47)
Cf, Ceftriaxone; im, intramuscular; iv, intravenous.
Sex (M/F)1/320/270.634
Age (years), mean (SD); range1.1 (0.9); 0.6–2.53.3 (3.2); 0.08–140.146
Duration of treatment (days), mean (SD); range6.75 (0.5); 6–77.1 (1); 5–100.151
No. of patients according to Cf dose
    50 mg/kg/day, im (n = 27)2251
    100 mg/kg/day, iv (n = 24)222