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. Author manuscript; available in PMC: 2018 Aug 22.
Published in final edited form as: J Urol. 2016 Mar 17;196(1):196–201. doi: 10.1016/j.juro.2016.02.2975

Table 1.

Postoperative outcomes by surgery type

SWL URS Totals p Value
No. prior stent within 6 wks of procedure/total No. (%) 41/1,087 (3.8) 54/1,194 (4.5) 95/2,281 (4.2) 0.3700 (chi-square test)
No. CCS GU readmissions/total No. (%):
 30-Day 136/1,087 (12.5) 241/1,194 (20.2) 377/2,281 (16.5) <0.0001 (chi-square test)
 90-Day 260/1,087 (23.9) 307/1,194 (25.7) 567/2,281 (24.9) 0.3224 (chi-square test)
No. CCS GU ER visits/total No. (%):
 30-Day 56/1,087 (5.2) 95/1,194 (8.0) 151/2,281 (6.6) 0.0071 (chi-square test)
 90-Day 101/1,087 (9.3) 142/1,194 (11.9) 243/2,281 (10.7) 0.0443 (chi-square test)
No. 365-day additional procedures/total No. (%): 204/1,087 (18.8) 162/1,194 (13.6) 366/2,281 (16.0) 0.0007 (chi-square test)
 SWL 124/1,087 (11.4) 44/1,194 (3.7) 168/2,281 (7.4) <0.0001 (chi-square test)
 URS 75/1,087 (6.9) 93/1,194 (7.8) 168/2,281 (7.4) 0.4168 (chi-square test)
 Stent 104/1,087 (9.6) 112/1,194 (9.4) 216/2,281 (9.5) 0.8787 (chi-square test)
No. 365-day readmissions/total No. (%) 0.0010 (Fisher exact test)
 0 883/1,087 (81.2) 1,032/1,194 (86.4) 1,915/2,281 (84.0)
 1 105/1,087 (9.7) 73/1,194 (6.1) 178/2,281 (7.8)
 More than 1 99/1,087 (9.1) 89/1,194 (7.5) 188/2,281 (8.2)