Table 1.
Study population demographics
| All | ICU admission | No ICU admission | P2 | |
|---|---|---|---|---|
| (% ICU admission) | (% within this group) | (% within this group) | ||
| All patients | 36,860 (6.4) | 2,374 | 34,486 | <0.001 |
| Total number of cancer diagnosis | 40,716 (6.0) | 2,458 | 38,258 | <0.001 |
| Age (years), median (interquartile range) | 63 (52–72) | 66 (57–73) | 62 (52–72) | <0.001 |
| <45 years | 5,186 (2.8) | 143 (6.0) | 5,043 (14.6) | <0.001 |
| 45–65 years | 11,063 (5.8) | 646 (27.2) | 10,417 (30.2) | <0.001 |
| >60–75 years | 14,323 (8.1) | 1,158 (48.8) | 13,165 (38.2) | <0.001 |
| >75 years | 6288 (6.8) | 427 (18.0) | 5861 (17.0) | 0.214 |
| Gender | ||||
| Male | 16,967 (9.3) | 1,581 (66.6) | 15,386 (44.6) | <0.001 |
| Female | 19,893 (4.0) | 793 (33.4) | 19,100 (55.4) | <0.001 |
| Treatment (combinations1) | ||||
| Surgery | 7,661 (11.8) | 904 (36.8) | 6,757 (17.7) | <0.001 |
| Surgery and chemotherapy | 2,044 (9.3) | 190 (7.7) | 1,854 (4.8) | <0.001 |
| Surgery and radiation therapy | 1,289 (8.1) | 104 (4.2) | 1,185 (3.1) | 0.002 |
| Surgery, chemotherapy, and radiation therapy | 914 (10.5) | 96 (3.9) | 818 (2.1) | <0.001 |
| Chemotherapy | 3,426 (6.2) | 213 (8.7) | 3,213 (8.4) | 0.137 |
| Chemotherapy and radiation therapy | 1,238 (7.0) | 87 (3.5) | 1,151 (3.0) | 0.309 |
| Radiation therapy | 7,502 (2.3) | 169 (6.9) | 7,333 (19.2) | <0.001 |
| Palliative care | 911 (4.2) | 38 (1.5) | 873 (2.3) | 0.017 |
| Other/none | 15,731 (4.2) | 657 (26.7) | 15,074 (39.4) | <0.001 |
1
Combinations of treatments are indicated independent of the order in which these were provided.
2
ICU admission versus no ICU admission.