Variables | MRSA infection n (%) | MSSA infection n (%) | P value |
---|---|---|---|
Number of patients | 248 | 248 | Â |
Age, median (IQR), years | 69 (49,76) | 68 (51,78) | n.s. |
Male sex, n (%) | 166 (68.0%) | 152 (61.0%) | n.s. |
Categories of summation of the Charlson Comorbidity Index | Â | ||
0, indicating low | 73 (29.0%) | 65 (26.0%) | n.s. |
1 or 2, indicating medium | 103 (42.0%) | 117 (47.0%) | n.s. |
3 or 4, indicating high | 54 (22.0%) | 51 (21.0%) | n.s. |
≥ 5, indicating very high | 18 (7.3%) | 15 (6.0%) | n.s. |
Charlson Comorbidity Index | Â | Â | Â |
C1_Myocardial infarction | 3 (1.2%) | 8 (3.2%) | n.s. |
C2_Congestive heart failure | 35 (14.0%) | 35 (14.0%) | n.s. |
C3_Peripheral vascular disease | 35 (14.0%) | 22 (8.9%) | 0.09 |
C4_Cerebrovascular disease | 12 (4.8%) | 17 (6.9%) | n.s. |
C5_Dementia | 5 (2.0%) | 7 (2.8%) | n.s. |
C6_Chronic pulmonary disease | 14 (5.6%) | 12 (4.8%) | n.s. |
C7_Rheumatic disease | 8 (3.2%) | 10 (4.0%) | n.s. |
C8_Peptic ulcer disease | 11 (4.4%) | 16 (6.5%) | n.s. |
C9_Mild liver disease | 8 (3.2%) | 13 (5.2%) | n.s. |
C10_Diabetes without chronic complication | 31 (13.0%) | 37 (15.0%) | n.s. |
C11_Hemiplegia or paraplegia | 2 (0.8%) | 0 (0%) | n.s. |
C12_Renal disease | 34 (14.0%) | 19 (7.7%) | 0.04 |
C13_Diabetes with chronic complication | 15 (6.0%) | 10 (4.0%) | n.s. |
C14_Malignancy | 65 (26.0%) | 67 (27.0%) | n.s. |
C15_Leukemia | 5 (2.0%) | 4 (1.6%) | n.s. |
C16_Lymphoma | 5 (2.0%) | 2 (0.8%) | n.s. |
C17_Moderate or severe liver disease | 2 (0.8%) | 5 (2.0%) | n.s. |
C18_Metastatic solid tumor | 8 (3.2%) | 9 (3.6%) | n.s. |
C19_AIDS/HIV | 0 (0%) | 0 (0%) | n.s. |
ICU admission | 130 (52.0%) | 89 (36.0%) | 0.0003 |
Mechanical ventilation | 98 (40.0%) | 49 (20.0%) | < 0.00001 |
HD or HF | 31 (13.0%) | 10 (4.0%) | 0.0009 |
In-hospital mortality | 36 (15.0%) | 26 (10.0%) | n.s. |
Length of stay, median (IQR), days | 44 (26, 81) | 34 (15, 61) | 0.0001 |
Hospital charges, median (IQR), US dollars | 27,215 (10,038, 65,809) | 12,525 (5,722, 26,201) | < 0.00001 |