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. 2012 May;50(5):1698–1703. doi: 10.1128/JCM.06469-11

Table 5.

Risk factors for not being colonized versus having new acquisition of AROs

Risk factor Value for residents:
Not colonized with any ARO (n = 11) Having new acquisition of any ARO (n = 57)
PSMS, mean ± SD 15.9 ± 5.61 20.9 ± 5.35a
Charlson's comorbidity score, mean ± SD 2.36 ± 2.34 2.51 ± 1.51
Any hospital visit, no./total (%) 1/11 (9) 16/57 (28)
Any antibiotic use, no./total (%) 6/11 (55) 42/57 (74)
Device use, no./total (%) 1/11 (9) 14/57 (25)
a

P ≤ 0.05.