Table 2 Analysis of risk factors for nasal colonization with methicillin-resistant Staphylococcus aureus (MRSA) among HIV-infected outpatients
Characteristic | No. (%) of subjects | P value | ||
|---|---|---|---|---|
Total (n = 553) | MRSA carriers (n = 19) | Non-MRSA carriers (n = 534) | ||
Personal history | ||||
 Smoking | 290 (52) | 15 (79) | 275 (51) | 0.020* |
 Alcohol Drinking | 139 (25) | 6 (32) | 133 (25) | 0.590 |
 Hospitalization after HIV diagnosis | 269 (49) | 7 (37) | 262 (49) | 0.354 |
 Recent hospitalization within 1 year | 80 (14) | 5 (26) | 75 (14) | 0.174 |
 Operation history | 16 (3) | 0 (0) | 16 (3) | 1.000 |
 Nurse home | 3 (0.6) | 0 (0) | 3 (0.6) | 1.000 |
Underlying diseases | ||||
 Hypertension | 59 (11) | 3 (16) | 56 (10) | 0.443 |
 DM | 21 (4) | 1 (5) | 20 (4) | 0.527 |
 Arrhythmia history | 10 (2) | 1 (5) | 9 (2) | 0.297 |
 Angina history | 7 (1) | 0 (0) | 7 (1) | 1.000 |
 Pneumonia history | 26 (5) | 1 (5) | 25 (5) | 0.606 |
 COPD | 6 (1) | 0 (0) | 6 (1) | 1.000 |
 Asthma | 12 (2) | 0 (0) | 12 (2) | 1.000 |
 Tuberculosis | 20 (4) | 1 (5) | 19 (4) | 0.509 |
 HBV carrier | 62 (11) | 2 (11) | 60 (11) | 1.000 |
 HCV carrier | 123 (22) | 10 (53) | 113 (21) | 0.003* |
 Cirrhosis | 3 (0.5) | 1 (5) | 2 (0.4) | 0.100 |
 CKD | 10 (2) | 1 (5) | 9 (2) | 0.297 |
 Cancer | 27 (5) | 5 (26) | 22 (4) | 0.001* |
Recent infectious diseases (within 3 months) | ||||
 Recent URI | 62 (11) | 2 (11) | 60 (11) | 1.000 |
 Skin infection | 29 (5) | 1 (5) | 28 (5) | 1.000 |
 Unhealed wound | 16 (3) | 1 (5) | 15 (3) | 0.433 |
 UTI | 6 (1) | 0 (0) | 6 (1) | 1.000 |
Recent treatment (in 3 months) | ||||
 On all catheters | 10 (2) | 1 (5) | 9 (2) | 0.297 |
 Hemodialysis | 2 (0.3) | 1 (5) | 1 (0.2) | 0.068 |
 Antibiotic use in 1 year | 88 (16) | 7 (37) | 81 (15) | 0.020* |
Laboratory data | ||||
 CD4 count (cells/uL), mean ± SD |  | 469.16 ± 214.8 | 540.61 + 292.3 | 0.292 |
 Plasma HIV RNA load (Log10 of copies/ml), mean ± SD |  | 1.341 ± 2.055 | 0.929 ± 1.660 | 0.293 |