Correction to: Preoperative urine nitrite versus urine culture for predicting postoperative fever following flexible ure
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CORRECTION
Correction to: Preoperative urine nitrite versus urine culture for predicting postoperative fever following flexible ureteroscopic lithotripsy: a propensity score matching analysis Yu‑cheng Ma1 · Zhong‑Yu Jian1 · Hong Li1 · Kun‑Jie Wang1
© Springer-Verlag GmbH Germany, part of Springer Nature 2020
Correction to: World Journal of Urology https://doi.org/10.1007/s00345-020-03240-w
Table 3 shows the comparisons of baseline characteristics after applying PSM followed by IPTW two procedures. But, some columns of Table 3 were mislabeled in the original publication of the article. The corrected Table 3 now reports the comparisons of baseline characteristics after conducting PSM as well as those after further performing IPTW.
The original article can be found online at https://doi.org/10.1007/ s00345-020-03240-w. * Kun‑Jie Wang [email protected] 1
Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu 610041, Sichuan, People’s Republic of China
13
Vol.:(0123456789)
World Journal of Urology
Table 3 Comparison of baseline characteristics between 2 groups after PS-matching and IPTW analysis Variables
1:4 PSM analysis None-POF group
Total fURS cases, n (%) Gender Female, n (%)
96 52 (54.2)
IPTW analysis POF group 24 11 (45.8)
P
Standardized None-POF group difference
/
/
0.615
0.167
POF group
31.44
31
15.9 (50.6)
15(48.4)
P
Standardized difference
/
/
0.822
0.044
Age (year), mean (SD)
53.45 (12.59)
50.33 (13.82)
0.290
0.236
50.60 (12.35)
50.55 (12.74)
0.984
0.004
BMI, mean (SD)
24.16 (2.88)
23.76 (2.89)
0.540
0.140
24.24 (3.03)
24.18 (2.79)
0.907
0.022
Diabetes (YES), n (%)
9 (9.4)
2 (8.3)
1.000
0.037
2.0 (6.3)
2 (6.5)
0.716
0.183
Charlson comorbidity index, n (%) 0
77 (80.2)
20 (83.3)
25.4 (80.9)
25 (80.6)
1
17 (17.7)
3 (12.5)
5.1 (16.1)
5 (16.1)
2 PCNL within 12 month, n (%)
2 (2.1)
1 (4.2)
3 (3.1)
1 (4.2)
1.000
0.056
0.9 (3.0)
1 (3.2)
1.8 (5.7)
2 (6.5)
0.969
0.007
0.998
0.012
0.868
0.032
SWL within 12 month, n (%)
6 (6.2)
2 (8.3)
1.000
0.080
2.1 (6.7)
2 (6.5)
0.958
0.011
URS within 12 month, n (%)
5 (5.2)
2 (8.3)
0.922
0.125
2.1 (6.6)
2 (6.5)
0.971
0.007
1.73 (0.73, 2.90)
1.88 (0.98, 3.05)
0.891
0.033
1.86 (0.88, 3.19)
1.89 (1.08, 3.12)
0.820
0.040
0.412
0.506
1.000
0.056
6 (6.2)
1 (4.2)
1.0 (3.3)
1 (3.2)
Stone burden (cm3), median (IQR) Stone location, n (%) Upper calyx Middle calyx
8 (8.3)
2 (8.3)
2.0 (6.2)
2 (6.5)
Lower calyx
12 (12.5)
3 (12.5)
3.3 (10.4)
3 (9.7)
Renal pelvis
20 (20.8)
2 (8.3)
4.6 (14.7)
5 (16.1)
Ureteropelvic Joint
1 (1.0)
2 (8.3)
2.3 (7.2)
2 (6.5)
Ureter
6 (6.2)
2 (8.3)
2.2 (6.9)
2 (6.5)
Multiple locations
43 (44.8)
12 (50.0)
16.1 (51.3)
16 (51.6)
Hydronephrosis (YES), n (%) 64 (66.7)
15 (62.5)
0.885
0.087
18.1 (57.5)
18 (58.1)
0.952
0.012
Urethal stent indewelling (days), median (IQR)
20 (14, 30)
14 (14, 30)
0.964
0.009
20 (14, 30)
20
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