Review of techniques for ultrasonic determination of kidney stone size

Figures & data

Table 1 Detection of urinary tract calculi by US

Study	N	Sensitivity	Specificity
Ureteric calculi
Yilmaz et al^Citation12	97	19	97
Sheafor et al^Citation13	45	61	100
Hamm et al^Citation19	125	11	97
Unal et al^Citation7	137	69	87
Renal calculi
Fowler et al^Citation1	188	24	90
Unal et al^Citation7	137	69	87
Ulusan et al^Citation20	101	44	82

Abbreviation: US, ultrasonography.

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