Table 2 Operation and immediate postoperative outcomes

Number of accesses (n = 66)

 2

48

72%

 3

14

22%

 4

4

6%

Point of entry (n = 154)

 Lower calyces

66

43%

 Mid calyces

52

34%

 Upper calyces

36

23%

Anesthesia

 Spinal

58

88%

 General

8

12%

Mean operating time, min

79.54 ± 24.839 SD

Mean preoperative HB g/dL

13.8 ± 1.36 SD (9.1–16.3)

< 0.001

Mean postoperative HB g/dL

11.1 ± 1.19 SD (7.8–14.2)

Mean preoperative creatinine mg/dL

1.25 ± 0.76 SD (0.65–4.3)

0.56

Mean postoperative creatinine mg/dL

1.23 ± 0.56 SD (0.67–3.5)

Mean hospital stays (days)

1.5 (1–5)