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Retrospective Study
Copyright: ©Author(s) 2026.
World J Gastrointest Surg. Sep 27, 2026; 18(9): 116919
Published online Sep 27, 2026. doi: 10.4240/wjgs.116919
Table 4 Perioperative surgical-related indicators, n (%)/mean ± SD
Parameters
Conventional endoscopy group (n = 67)
Combined endoscopy group (n = 43)
t/χ2
P value
Duration of lithotripsy (minute)75.57 ± 6.6645.61 ± 5.9423.995< 0.001
Number of lithotripsy sessions1.60 ± 0.871.22 ± 0.433.0500.003
Distribution of lithotripsy sessions13.0560.001
140 (59.70)33 (76.74)
210 (14.93)10 (23.26)
317 (25.37)0 (0.00)
Length of hospital stay (day)7.14 ± 3.475.89 ± 1.612.5560.012


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