From: Prediction of methicillin-resistant Staphylococcus aureusin patients with non-nosocomial pneumonia
Characteristics | MRSA | Non-MRSA | P-value |
---|---|---|---|
(n=78) | (n=865) | ||
Age | 71.4 ± 9.3 | 66.0 ± 14.8 | < 0.001 |
Male | 58 (74.4) | 565 (65.3) | 0.106 |
Female | 20 (25.6) | 300 (34.7) | |
Type of pneumonia | Â | Â | Â |
   Community acquired | 21 (26.9) | 475 (54.9) | < 0.001 |
   Health care associated | 57 (73.1) | 390 (45.1) | |
Underlying diseases | Â | Â | Â |
   Diabetes mellitus | 30 (38.5) | 237 (27.4) | 0.038 |
   Chronic lung diseaseb | 20 (25.6) | 239 (27.6) | 0.706 |
   Cerebral vascular accident | 22 (28.2) | 162 (18.7) | 0.043 |
   Renal disease | 14 (17.9) | 104 (12.0) | 0.13 |
   Hypertension | 44 (9.7) | 408 (47.2) | 0.118 |
   Cardiovascular disease | 21 (26.9) | 148 (17.1) | 0.03 |
   Liver disease | 6 (7.7) | 50 (5.8) | 0.454 |
   Rheumatologic disease | 3 (3.8) | 31 (3.6) | 0.756 |
   Malignancy | 36 (46.2) | 303 (35.0) | 0.05 |
Clinical manifestation and parameters | Â | Â | Â |
   Bloody sputum | 1 (1.3) | 42 (4.9) | 0.147 |
   Confusion (decreased consciousness) | 17 (21.8) | 134 (15.5) | 0.146 |
   Shock at onset | 20 (25.6) | 267 (30.9) | 0.337 |
   Hypoxemiac | 49 (62.8) | 437 (50.5) | 0.037 |
   Acute renal failure at onset | 13 (16.7) | 162 (18.7) | 0.654 |
   Leukocytes /uL | 12700 ± 7700 | 11800 ± 7300 | 0.341 |
   Blood urea nitrogen > 30 mg/dL | 25 (32.1) | 255 (29.5) | 0.634 |
   Sodium < 130 mmol/L | 15 (19.2) | 132 (15.3) | 0.355 |
   pH < 7.35 | 7 (9) | 72 (8.3) | 0.843 |
Immunosuppressedd | 24 (30.8) | 215 (24.9) | 0.25 |
MRSA history in previous 1 year | 20 (25.6) | 33 (3.8) | < 0.001 |
Tube feeding | 12 (15.4) | 64 (7.4) | 0.013 |
CURB65 | 1.94 ± 1.07 | 1.6 ± 1.15 | 0.015 |
Pneumonia Severity Index | 144.7 ± 26.1 | 127.6 ± 38.4 | < 0.001 |
Admission via ER | 64 (82.1) | 700 (80.9) | 0.808 |