BMC Urology

Table 3 Successful stone disintegration rate (SSDR) of each treatment the groups

From: A clinical observational study of effectiveness of a solid coupling medium in extracorporeal shock wave lithotripsy

	≤ 4 mm		> 4 mm		Total	X²	p-value
	n	%	n	%	Total	X²	p-value
Group C	57	55.3	46	44.7	103	6.872	.009
Group P1	73	73.0	27	27.0	100	6.872	.009

	≤ 4 mm		> 4 mm		Total	X²	P
	n	%	n	%	Total	X²	P
Group P1	73	73.0	27	27.0	100	.001	.975
Group P2	71	73.2	26	26.8	97	.001	.975

Comparison performed by Chi-square test

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ISSN: 1471-2490

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