TABLE 2.
Whites (n = 1,794)
|
Blacks (n = 1,281)
|
|||
---|---|---|---|---|
Variable | Hospitalized for CAP (n = 162) | Never Hospitalized for CAP (n = 1,632) | Hospitalized for CAP (n = 110) | Never Hospitalized for CAP (n = 1,171) |
Demographic characteristics | ||||
Age, yr, mean ± SD | 74 ± 2.8 | 73.8 ± 2.9 | 73.8 ± 3 | 73.4 ± 2.9 |
Sex, males, % (n) | 57.4 (93) | 51.8 (846) | 48.2 (53) | 42.6 (499) |
Site, Memphis, % (n) | 51.9 (84) | 52.1 (850) | 40.9 (45) | 48.5 (568) |
Comorbid conditions | ||||
Congestive heart failure, % (n) | 6.2 (10) | 2.5 (40) | 8.3 (9) | 3.1 (36) |
Coronary heart disease, % (n) | 24.9 (40) | 20.1 (324) | 39.1 (41) | 19.5 (230) |
Diabetes, % (n) | 15.5 (25) | 10.4 (170) | 30.3 (33) | 20.7 (242) |
Serum creatinine, mg/dl, mean ± SD | 1.06 ± 0.6 | 1.01 ± 0.4 | 1.24 ± 0.6 | 1.1 ± 0.4 |
Predicted FEV1, % (n) | ||||
FEV1 > 80% | 52.5 (85) | 72.1 (1,176) | 51.8 (57) | 73.2 (857) |
80% > FEV1 > 50% | 28.4 (46) | 19.5 (318) | 20 (22) | 17.6 (205) |
FEV1 < 50% | 19.1 (31) | 8.5 (138) | 28.2 (31) | 9.3 (109) |
Smoking, % (n) | ||||
Current | 9.9 (16) | 5.8 (95) | 27.3 (30) | 15.2 (177) |
Past | 53.7 (87) | 50.3 (819) | 41.8 (46) | 38.7 (452) |
Pack-years of smoking, mean ± SD | 29.7 ± 35 | 19.9 ± 28.3 | 23.8 ± 30.3 | 15.9 ± 24.8 |
Inflammatory markers, median (IQR) | ||||
TNF, pg/ml | 3.7 (2.8–4.8) | 3.3 (2.6–4.2) | 3.3 (2.4–4.4) | 3 (2.3–3.8) |
IL-6, pg/ml | 2.2 (1.4–3.5) | 1.7 (1.2–2.5) | 2.4 (1.6–3.6) | 2 (1.3–3) |
PAI-1, ng/ml | 25 (14–53) | 21 (13–36) | 22 (13–36) | 21 (12–36) |
For definition of abbreviations, see Table 1.
Fewer than 5% of data are missing for some of the covariates.