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Table 4 Patients’ management and imaging findings on CT

From: Ultrasound at the patient’s bedside for the diagnosis and prognostication of a renal colic

Pathological imaging findings Surgical management < 24 h (n = 16) Ambulatory management (n = 69) Total (n = 85) p
Perinephric fluid 9 12 21 (24%)  < 0.05
Severe pyelocalyceal dilatation 6 9 15 (17%)  < 0.05
Location and size of stones
 Proximal > 6 mm 12a 4 16 (19%)  < 0.05
 Proximal < 6 mm 2 10 12 (15%) 1
 Distal > 6 mm 2 7 9 (10%) 0.67
 Distal < 6 mm 0 48 48 (56%)  < 0.05
  1. aThree patients who initially received ambulatory treatment were readmitted within 48 h and underwent surgical treatment