Characteristics | 65–74 y (n = 1134) | 75–84 y (n = 1449) | ≥ 85 y (n = 548) |
---|---|---|---|
Age(years, n = 3131) | 66.43 ± 2.87 | 79.43 ± 2.78 | 88.54 ± 3.38 |
Male sex(n = 3131) | 633(55.8) | 791(54.6) | 281(51.3) |
Aspiration(n = 3131) | 72(6.3) | 141(9.7) | 110(20.1) |
Long-term bedridden status(n = 3131) | 57(5.0) | 117(8.1) | 92(16.8) |
Underlying conditions(n = 3131) | 998(88.0) | 1318(91.0) | 521(95.1) |
 Cardiovascular disease | 615 (54.2) | 935(64.5) | 400(73.0) |
  Hypertension | 488(43.0) | 749(51.7) | 302(55.1) |
  Ischemic heart disease | 263(23.2) | 493(34.0) | 244(44.5) |
  Congestive heart failure | 65(5.7) | 101(7.0) | 35(6.4) |
 Chronic respiratory disease | 359(31.7) | 391(27.0) | 125(22.8) |
  COPD | 210(18.5) | 275(19.0) | 94(17.2) |
  Bronchiectasis | 153(13.5) | 112(7.7) | 36(6.6) |
  Asthma | 85(7.5) | 29(4.4) | 13(2.4) |
 Cerebral vascular disease | 191(16.8) | 412(28.4) | 211(38.5) |
 Diabetes mellitus | 224(19.8) | 316(21.8) | 111(20.3) |
 Malignancy | 90(7.9) | 122(8.4) | 40(7.3) |
 Chronic renal disease | 47(4.1) | 76(5.2) | 32(5.8) |
 Dementia | 8(0.7) | 24(1.7) | 24(4.4) |
 Chronic liver disease | 15(1.3) | 20(1.4) | 4(0.7) |
History of hospitalization for CAP in previous year | 80(7.1) | 124(8.6) | 59(10.8) |
HCAP (n = 3131) | 195(17.2) | 231(15.9) | 100(18.2) |
Immunocompromisea (n = 3131) | 37(3.3) | 27(1.9) | 6(1.1) |
Multilobe infiltration (n = 3131) | 458(40.4) | 676(46.7) | 273(49.8) |
Pleural effusion (n = 3131) | 221 (19.5) | 387(26.7) | 176(32.1) |
CURB-65 (n = 3025 b) | |||
 1 | 711(64.9) | 769(55.6) | 234(42.7) |
 2 | 322(29.4) | 455(32.9) | 198(36.1) |
 3–5 | 62(5.7) | 158(11.4) | 116(21.2) |
PSI (n = 1714 c) | |||
 I-III | 453(73.7) | 395(49.8) | 84(27.5) |
 IV | 131(21.3) | 320(40.4) | 149(48.7) |
 V | 31(5.0) | 78(9.8) | 73(23.9) |
Need for MV (n = 3131) | 87(7.7) | 129(8.9) | 57(10.4) |
 Non-invasive MV | 62(5.5) | 91(6.3) | 40(7.3) |
 invasive MV | 42(3.7) | 52(3.6) | 23(4.2) |
ICU admission(n = 3131) | 68(6.0) | 126(8.7) | 75(13.7) |
Outcome | |||
 Hospital LOS (days) (n = 3131) | 12.73 ± 9.62 | 13.29 ± 9.61 | 15.21 ± 12.78 |
 In-hospital mortality(n = 3131) | 36(3.2) | 78(5.4) | 65(11.9) |
 60-day mortality(n = 3011d) | 53(4.7) | 97(6.7) | 77(14.1) |