Table 3 Clinical risk factors of acquiring the ESBL-producing Escherichia coli and ST131 clone

Preterm labor in pregnancy

3(16.7)

10.911

1.199–99.301

0.0339

–

–

–

–

 30–39

6(33.3)

5(25.0)

 40–49

6(33.3)

1.057

0.289–3.861

0.9330

3(15.0)

0.828

0.170–4.026

0.5497

 50–59

2(11.1)

0.385

0.075–1.967

0.2512

4(20.0)

5.541

0.130–236.943

0.8151

 > = 60

4(22.2)

0.625

0.156–2.494

0.5054

8(40.0)

5.130

0.099–266.909

0.3716

Menopause

6(33.3)

0.0365

0.126–1.059

0.0636

12(60.0)

0.208

0.005–8.843

0.4118

IUD

3(16.7)

6.460

1.004–41.568

0.0495

1(5.0)

0.965

0.088–10.645

0.9770

Recurrent within 1 month

14(77.8)

40.130

9.980–161.366

< 0.0001

6(30.0)

1.883

0.105–33.820

0.6677

Nursing home T/I

3(16.7)

3.488

0.709–17.152

0.1242

3(15.0)

1.088

0.096–12.292

0.9459

PID

14(77.8)

0.489

0.113–2.122

0.3396

10(50.0)

0.744

0.164–3.378

0.7017

UTI^a

9(50.0)

18.915

5.469–65.411

< 0.0001

11(55.0)

1.513

0.362–6.319

0.5506

Previous antibiotics^a

15(83.3)

68.390

14.870–314.531

< 0.0001

6(30.0)

1.172

0.063–21.644

0.9149