Table 4 Factors associated with extensively drug-resistant Acinetobacter baumannii complex (XDRABC) in Taiwan

Number

1212

428

 Mean age ± SD^c

65.4 ± 20.2

70.6 ± 18.1

<0.001

 Age 65 and older^c

733 (71.2)

297 (28.8)

<0.001

1.39

1.052-1.836

0.021

Specimens

 Respiratory tracts

571 (47.1)

251 (58.6)

<0.001

2.102

1.507-2.932

<0.001

 Blood

210 (17.3)

34 (7.9)

<0.001

Reference

 Pus/discharge

176 (14.5)

43 (10.0)

0.02

1.598

0.996-2.568

0.052

 Urine

160 (13.2)

56 (13.1)

>0.99

1.759

1.130-2.739

0.012

Healthcare settings

 Medical centers

570 (47.0)

165 (38.6)

0.003

0.804

0.617-1.046

0.104

 ICU settings

404 (33.3)

196 (45.8)

<0.001

1.468

1.126-1.915

0.005

Geographic regions

 Northern

365 (30.1)

107 (25.0)

0.047

Reference

 Central

404 (33.3)

223 (52.1)

<0.001

1.965

1.466-2.671

<0.001

 Southern

290 (23.9)

53 (12.4)

<0.001

0.814

0.544-1.216

0.314

 Eastern

153 (12.6)

45 (10.5)

0.263

1.303

0.847-2.006

0.229

TSAR period^d

1.97

1.773-2.189

<0.001