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. 2021 Oct 20;8:701207. doi: 10.3389/fsurg.2021.701207

Table 2.

The intra- and postoperative clinical outcome.

Group A Group B p -value
Accuracy of puncture
   Time to successful puncture (min), median (IQR) 7.7(3–14) 13.3 (5–28) 0.02
   First-time success rate 87.5% (63/72) 47.8% (32/67) 0.03
Operative outcome
   Operating time (min), median (IQR) 62 (39–131) 79 (42–146) 0.01
   Decrease in hemoglobin (g/L), median (IQR) 12.5 (7–32) 14.7 (8–34) 0.09
   Initial stone clearance rate 81.9% (59/72) 64.2% (43/67) 0.01
   Final stone clearance rate 90.3% (65/72) 83.6% (56/67) 0.02
   Length of hospital stays (day), median (IQR) 6 (3–13) 7 (3–14) 0.14
Classification of complications 0.03
   Grade 0, n (%) 55 (76.4%) 34 (50.7%)
   Grade I, n (%) 11 (15.3%) 16 (23.9%)
   Grade II, n (%) 4 (5.6%) 13 (19.4%)
   More than grade II, n (%) 2 (2.7%) 4 (6.0%)