Table 1. Characteristics of Patients in Pneumonia, Chronic Obstructive Pulmonary Disease, and Heart Failure Cohorts.
| Pneumonia cohort (91,709 hospitalizations) N (%) |
Chronic obstructive pulmonary disease cohort (41,052 hospitalizations) N (%) |
Heart failure cohort (118,061 hospitalizations) N (%) |
|
|---|---|---|---|
| Age in years | |||
| 65-74 | 28,615 (31) | 19,753 (48) | 32,395 (27) |
| 75-84 | 36,042 (39) | 15,622 (38) | 46,119 (39) |
| 85+ | 27,052 (30) | 5,677 (14) | 39,547 (34) |
| Sex | |||
| Female | 48,048 (52) | 23,476 (57) | 63,180 (54) |
| Male | 43,661 (48) | 17,576 (43) | 54,881 (46) |
| Comorbidities | |||
| Peripheral vascular disease | 9,034 (10) | 4,148 (10) | 17,713 (15) |
| Hypertension | 64,884 (71) | 28,706 (70) | 84,004 (71) |
| Diabetes with and without complications | 29,388 (32) | 12,929 (31) | 51,924 (44) |
| Obesity | 6,124 (7) | 4,200 (10) | 14,207 (12) |
| Chronic pulmonary disease | 48,689 (53) | --- | 46,470 (39) |
| Renal failure | 20,271 (22) | 5,834 (14) | 52,034 (44) |
| Fluid and electrolyte disorders | 35,732 (39) | 10,444 (25) | 35,877 (30) |
| Deficiency anemias | 29,150 (32) | 7,866 (19) | 40,976 (35) |
| Liver disease | 525 (1) | 195 (0) | 652 (1) |
| Depression | 12,012 (13) | 5,988 (15) | 11,755 (10) |