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Table 3 Binary logistic regression of UAS usage in patients with multiple kidney stones (≥ 2)

From: The dilemma of 12/14F ureteral access sheath (UAS) usage: a case control study

 

Odds ratio

95% confidence interval

p value

Positive preoperative urine culture**

1.2113

0.4748–3.0927

0.6861

Lower pole kidney stone diameter

0.9856

0.7718–1.2685

0.9077

Kidney stone max. diameter

0.9602

0.7393–1.2222

0.7474

Fluoroscopy time****

0.9948

0.9869–1.0009

0.1382

Operation time

1.0230

1.0100–1.0379

0.0009

LOS > 48 h

3.3989

0.8420–15.0767

0.0911

fURS defect

4.6702

0.9356–35.8181

0.0860

Postoperative SIRS

0.3997

0.0397–4.6656

0.4365

Stone-free status

0.5909

0.1793–1.8851

0.3754

  1. fURS—flexible ureteroscopy; LOS—length of hospital stay; SIRS—systemic inflammatory response syndrome
  2. **No data in 17 cases
  3. ****No data in 4 cases