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Table 2 Analysis of risk factors for nasal colonization with methicillin-resistant Staphylococcus aureus (MRSA) among HIV-infected outpatients

From: Methicillin-resistant Staphylococcus aureus nasal colonization among HIV-infected patients in Taiwan: prevalence, molecular characteristics and associated factors with nasal carriage

CharacteristicNo. (%) of subjectsP value
Total (n = 553)MRSA carriers (n = 19)Non-MRSA carriers (n = 534)
Personal history
 Smoking290 (52)15 (79)275 (51)0.020*
 Alcohol Drinking139 (25)6 (32)133 (25)0.590
 Hospitalization after HIV diagnosis269 (49)7 (37)262 (49)0.354
 Recent hospitalization within 1 year80 (14)5 (26)75 (14)0.174
 Operation history16 (3)0 (0)16 (3)1.000
 Nurse home3 (0.6)0 (0)3 (0.6)1.000
Underlying diseases
 Hypertension59 (11)3 (16)56 (10)0.443
 DM21 (4)1 (5)20 (4)0.527
 Arrhythmia history10 (2)1 (5)9 (2)0.297
 Angina history7 (1)0 (0)7 (1)1.000
 Pneumonia history26 (5)1 (5)25 (5)0.606
 COPD6 (1)0 (0)6 (1)1.000
 Asthma12 (2)0 (0)12 (2)1.000
 Tuberculosis20 (4)1 (5)19 (4)0.509
 HBV carrier62 (11)2 (11)60 (11)1.000
 HCV carrier123 (22)10 (53)113 (21)0.003*
 Cirrhosis3 (0.5)1 (5)2 (0.4)0.100
 CKD10 (2)1 (5)9 (2)0.297
 Cancer27 (5)5 (26)22 (4)0.001*
Recent infectious diseases (within 3 months)
 Recent URI62 (11)2 (11)60 (11)1.000
 Skin infection29 (5)1 (5)28 (5)1.000
 Unhealed wound16 (3)1 (5)15 (3)0.433
 UTI6 (1)0 (0)6 (1)1.000
Recent treatment (in 3 months)
 On all catheters10 (2)1 (5)9 (2)0.297
 Hemodialysis2 (0.3)1 (5)1 (0.2)0.068
 Antibiotic use in 1 year88 (16)7 (37)81 (15)0.020*
Laboratory data
 CD4 count (cells/uL), mean ± SD 469.16 ± 214.8540.61 + 292.30.292
 Plasma HIV RNA load (Log10 of copies/ml), mean ± SD 1.341 ± 2.0550.929 ± 1.6600.293
  1. Abbreviations: DM diabetes mellitus, COPD chronic obstructive pulmonary disease, HBV hepatitis B virus, HCV hepatitis C virus, CKD chronic kidney disease, URI upper respiratory infection, SD standard deviation
  2. *significant difference (p < 0.05)