Noncontrast Computed Tomography Parameters for Predicting Shock Wave Lithotripsy Outcome in Upper Urinary Tract Stone Cases

Table 1

Review of the literature on the relationship between skin-to-stone distance and shock wave lithotripsy outcomes.

Reference	Year	Country	Number of patients	Stone location	Predictive power
Pareek et al. [4]	2005	USA	64	Lower pole	Yes
El-Nahas et al. [9]	2007	Egypt	120	Kidney	No
Weld et al. [10]	2007	USA	200	Kidney	No
Perks et al. [5]	2008	Canada	111	Kidney	Yes
Jacobs et al. [11]	2008	USA	85	Kidney and ureter	No
Bandi et al. [12]	2008	USA	94	Kidney and ureter	No
Ng et al. [6]	2009	Hong Kong	94	Proximal ureter	Yes
Patel et al. [7]	2009	USA	83	Kidney	Yes
Wiesenthal et al. [8]	2010	Canada	422	Kidney and ureter	Yes
Choi et al. [13]	2012	Korea	153	Ureter	No
Tanaka et al. [14]	2013	Japan	75	Kidney and ureter	No
Lee et al. [15]	2016	Korea	604	Ureter	No
Yamashita et al. [16]	2017	Japan	239	Kidney and ureter	No