TABLE 1 ] .
Characteristics of Patients With Lung Cancer Admitted to Hospital Stratified by Location of Hospitalization
| Characteristic | Any Non-ICU Hospitalization (n = 90,675) | Any ICU Admission (n = 49,373) | Full-Service ICU Admission (n = 33,441) | Intermediate-Care ICU Admission (n = 15,932) |
| Age | ||||
| 65-69 y | 15,511 (17.1) | 9,984 (20.2) | 7,234 (21.7) | 2,750 (17.3) |
| 70-74 y | 23,634 (26.1) | 14,384 (29.1) | 10,060 (30.1) | 4,324 (27.1) |
| 75-79 y | 23,634 (26.1) | 13,060 (26.5) | 8,706 (26.0) | 4,354 (27.3) |
| 80-84 y | 16,981 (18.7) | 7,923 (16.0) | 5,039 (15.1) | 2,884 (18.1) |
| 85-89 y | 7,997 (8.8) | 3,159 (6.4) | 1,924 (5.8) | 1,235 (7.8) |
| ≥ 90 y | 2,981 (3.2) | 869 (1.7) | 484 (1.4) | 385 (2.4) |
| Women | 43,223 (47.7) | 22,271 (45.1) | 13,865 (44.0) | 8,406 (47.2) |
| Race | ||||
| Non-Hispanic white | 79,047 (87.5) | 41,650 (84.6) | 28,174 (84.2) | 13,476 (84.8) |
| Black | 6,572 (7.3) | 4,216 (8.6) | 2,931 (8.8) | 1,285 (8.1) |
| Other | 4,714 (5.2) | 3,350 (6.8) | 2,220 (6.6) | 1,130 (7.1) |
| Median annual income | ||||
| < 15,000 USD | 22,714 (26.1) | 9,263 (19.8) | 7,204 (21.5) | 2,059 (13.5) |
| 15,000-29,000 USD | 10,105 (11.6) | 6,211 (13.3) | 4,284 (12.7) | 1,927 (12.7) |
| 30,000-44,990 USD | 22,379 (25.7) | 12,376 (26.4) | 8,243 (24.6) | 4,133 (27.2) |
| 45,000-59,990 USD | 16,244 (18.7) | 9,719 (20.7) | 6,101 (18.2) | 3,618 (23.8) |
| 60,000-74,990 USD | 8,175 (9.4) | 4,914 (10.5) | 3,068 (9.2) | 1,846 (12.1) |
| ≥ 75,000 USD | 7,344 (8.4) | 4,371 (9.3) | 2,734 (8.2) | 1,637 (10.8) |
| Comorbidity (Charlson index) | ||||
| 0 | 71,924 (79.3) | 37,367 (75.5) | 25,487 (76.2) | 11,880 (75.7) |
| 1 | 9,131 (10.1) | 5,312 (10.8) | 3,546 (10.6) | 1,766 (11.1) |
| 2 | 5,436 (6.0) | 3,582 (7.3) | 2,346 (7.0) | 1,236 (7.8) |
| ≥ 3 | 4,184 (4.6) | 3,112 (6.3) | 2,062 (6.2) | 1,050 (6.6) |
| Stage at diagnosis | ||||
| Local | 14,260 (15.7) | 9,782 (19.8) | 6,447 (19.3) | 3,335 (20.9) |
| Regional | 21,105 (23.3) | 13,293 (26.9) | 9,146 (27.3) | 4,147 (26.2) |
| Distant | 47,873 (52.8) | 22,538 (45.6) | 15,234 (45.6) | 7,304 (45.8) |
| Unknown | 7,437 (8.2) | 3,760 (7.6) | 2,641 (7.9) | 1,119 (7.0) |
| Histology | ||||
| NSCLC | 70,758 (78) | 39,645 (80.3) | 26,868 (80.3) | 12,777 (80.2) |
| SCLC | 12,922 (14.3) | 6,488 (13.1) | 4,425 (13.2) | 2,063 (12.9) |
| Other | 6,995 (7.7) | 3,240 (6.6) | 2,148 (6.4) | 1,092 (6.9) |
Data are presented as No. (%). NSCLC = non-small cell lung cancer; SCLC = small cell lung cancer; USD = US dollars.