Table 4 Univariate and multivariate analysis for recurrence-related risk factors

Presence of fever

4.720 (1.593–13.981)

0.005

3.752 (1.045–13.468)

0.043

Presence of history of cholecystitis, n (%)

3.505 (1.221–10.063)

0.020

4.505 (1.171–17.325)

0.029

Lipase elevation (> 15.5)

2.464 (1.075–5.647)

0.033

3.586 (1.255–10.247)

0.017

Procalcitonin elevation (≥ 0.96)

4.072 (1.725–9.612)

0.001

6.044 (2.058–17.745)

0.001

Catheter insertion time

1.148 (0.963–1.369)

0.123

1.165 (0.944–1.439)

0.154

Grade 3 acute cholecystitis

1.659 (0.688–3.999)

0.260

0.725 (0.236–2.229)

0.575

Presence of a single stone in the gallbladder

1.596 (0.694–3.671)

0.271

2.650 (0.916–7.671)

0.072

Purulent gallbladder contents

1.903 (0.566–6.397)

0.298

1.362 (0.303–6.123)

0.687

Gallbladder wall thickness

0.964 (0.742–1.251)

0.781

0.830 (0.599–1.150)

0.262