Table 3.
Clinical characteristics and healthcare resource utilization for adults hospitalized with RSV, influenza, acute MI, or stroke
| Characteristics | RSV [N = 3,629] |
Influenza [N = 303,577] |
Acute MI [N = 388,682] |
Stroke [N = 416,750] |
|---|---|---|---|---|
| CCI [Mean (SD)] | 2.9 (2.4) | 3.0 (2.5) | 3.1 (2.2) | 3.8 (2.3) |
| Risk conditions [N (%)] | ||||
| Cardiopulmonary | 198 (5.5) | 21,279 (7.0) | 11,574 (3.0) | 8,492 (2.0) |
| Cardiovascular | 2,030 (55.9) | 166,549 (54.9) | 388,682 (100.0) | 203,549 (48.8) |
| Hematological | 638 (17.6) | 41,996 (13.8) | 30,756 (7.9) | 27,249 (6.5) |
| Hepatic | 104 (2.9) | 12,946 (4.3) | 6,169 (1.6) | 6,909 (1.7) |
| Metabolic | 1,349 (37.2) | 108,623 (35.8) | 157,666 (40.6) | 167,403 (40.2) |
| Neurologic | 897 (24.7) | 67,252 (22.2) | 103,024 (26.5) | 377,531 (90.6) |
| Pulmonary | 1,591 (43.8) | 216,071 (71.2) | 82,984 (21.4) | 79,340 (19.0) |
| Renal | 1,067 (29.4) | 74,321 (24.5) | 87,775 (22.6) | 81,971 (19.7) |
| Immunocompromising | 621 (17.1) | 45,778 (15.1) | 22,807 (5.9) | 30,531 (7.3) |
| Obesity-related | 424 (11.7) | 45,680 (15.0) | 34,589 (8.9) | 28,501 (6.8) |
| Risk Group [N (%)] | ||||
| High-risk | 3,311 (91.2) | 282,039 (92.9) | 388,682 (100.0) | 402,259 (96.5) |
| Healthcare Resource Utilization | ||||
| ICU admission [N (%)] | 111 (3.1) | 58,402 (19.2) | 106,291 (27.3) | 93,638 (22.5) |
| MV Use [N (%)] | 19 (0.5) | 48,098 (15.8) | 23,112 (5.9) | 6,527 (1.6) |
| Length of inpatient stay [Mean (SD)] | 4.0 (2.8) | 4.3 (4.4) | 3.3 (3.1) | 4.2 (4.8) |
| Length of ICU stay [Mean (SD)] | 2.3 (2.3) | 2.8 (3.8) | 1.5 (1.6) | 1.9 (2.4) |
List of Abbreviations: CCI: Charlson Comorbidity Index; ICU: Intensive Care Unit; MI: Myocardial Infarction; MV: Mechanical Ventilator; N: Number of unique hospitalizations; RSV: Respiratory Syncytial Virus