From: A mortality prediction rule for non-elderly patients with community-acquired pneumonia
Characteristic | No. of cases (%) | No. (%) of cases alive at 30Â days | No. (%) of cases that died within 30Â days |
---|---|---|---|
(n = 49,370) | (n = 48,638) | (n = 732) | |
Sex | |||
 Male | 28,070 (56.9) | 27,550 (56.6) | 520 (71.0) |
 Female | 21,300 (43.1) | 21,088 (43.4) | 212 (29.0) |
Age, years | |||
 18–39 | 14,791 (30.0) | 14,753 (30.3) | 38 (5.2) |
 40–49 | 7,167 (14.5) | 7,106 (14.6) | 61 (8.3) |
 50–64 | 27,412 (55.5) | 26,779 (55.1) | 633 (86.5) |
Body mass index (kg/m2) | |||
  ≤ 15 | 2,485 (5.0) | 2,360 (4.9) | 125 (17.1) |
 16–29 | 44,419 (90.0) | 43,834 (90.1) | 585 (79.9) |
  ≥ 30 | 2,466 (5.0) | 2,444 (5.0) | 22 (3.0) |
Smoking status | |||
 Never smoked | 27,883 (56.5) | 27,506 (56.6) | 377 (51.5) |
 Current/ex-smoker | 21,487 (43.5) | 21,132 (43.4) | 355 (48.5) |
Charlson comorbidity index | |||
 0–1 | 37,642 (76.2) | 37,269 (76.6) | 373 (51.0) |
 2–4 | 10,534 (21.3) | 10,270 (21.1) | 264 (36.1) |
  ≥ 5 | 1,194 (2.4) | 1,099 (2.3) | 95 (13.0) |
 Myocardial infarction | 330 (0.7) | 324 (0.7) | 6 (0.8) |
 Congestive heart failure | 2,667 (5.4) | 2,572 (5.3) | 95 (13.0) |
 Peripheral vascular disease | 264 (0.5) | 259 (0.5) | 5 (0.7) |
 Cerebrovascular diseases | 1,497 (3.0) | 1,458 (3.0) | 39 (5.3) |
 Dementia | 201 (0.4) | 192 (0.4) | 9 (1.2) |
 Chronic pulmonary disease | 8,503 (17.2) | 8,426 (17.3) | 77 (10.5) |
 Rheumatic disease | 1,854 (3.8) | 1,818 (3.7) | 36 (4.9) |
 Peptic ulcer disease | 1,910 (3.9) | 1,886 (3.9) | 24 (3.3) |
 Mild liver disease | 2,464 (5.0) | 2,435 (5.0) | 29 (4.0) |
 Diabetes without chronic complications | 4,741 (9.6) | 4,647 (9.6) | 94 (12.8) |
 Diabetes with chronic complications | 1,587 (3.2) | 1,547 (3.2) | 40 (5.5) |
 Hemiplegia or paraplegia | 154 (0.3) | 153 (0.3) | 1 (0.1) |
 Renal disease | 1,490 (3.0) | 1,444 (3.0) | 46 (6.3) |
 Any malignancy | 4,364 (8.8) | 4,218 (8.7) | 146 (19.9) |
 Moderate or severe liver disease | 61 (0.1) | 56 (0.1) | 5 (0.7) |
 Metastatic solid tumour | 860 (1.7) | 777 (1.6) | 83 (11.3) |
 AIDS/HIV | 81 (0.2) | 80 (0.2) | 1 (0.1) |
Barthel index (score) | |||
 81–100 | 37,035 (75.0) | 36,848 (75.8) | 187 (25.5) |
 41–80 | 4,733 (9.6) | 4,644 (9.5) | 89 (12.2) |
 0–40 | 7,602 (15.4) | 7,146 (14.7) | 456 (62.3) |
Requires help with | |||
 Feeding | 8,928 (18.1) | 8,448 (17.4) | 480 (65.6) |
 Moving from the wheelchair to the bed | 12,367 (25.0) | 11,832 (24.3) | 535 (73.1) |
 Personal grooming | 9,842 (19.9) | 9,345 (19.2) | 497 (67.9) |
 Getting on/off toilet | 10,869 (22.0) | 10,345 (21.3) | 524 (71.6) |
 Bathing | 12,610 (25.5) | 12,065 (24.8) | 545 (74.5) |
 Walking on a level surface | 12,581 (25.5) | 12,035 (24.7) | 546 (74.6) |
 Ascending and descending stairs | 13,433 (27.2) | 12,872 (26.5) | 561 (76.6) |
 Dressing | 12,572 (25.5) | 12,032 (24.7) | 540 (73.8) |
 Controlling the bowels | 8,313 (16.8) | 7,844 (16.1) | 469 (64.1) |
 Controlling the bladder | 8,377 (17.0) | 7,906 (16.3) | 471 (64.3) |