Table 1.
Patient characteristics on admission, stratified by either co-existent non-metastatic or metastatic cancer. Further descriptive statistics are detailed in Table S3. Statistically significant p values (<0.05) are highlighted in bold.
| Variation | All | No Active Cancer | Non-Metastatic Cancer | Metastatic Cancer | p Value |
|---|---|---|---|---|---|
| n | 1,106,045 | 1,067,190 | 20,895 | 17,960 | |
| Age (years), median (IQR) |
72 (61–82) | 71 (60–82) | 75 (67–83) | 70 (62–78) | <0.001 |
| Length-of-stay (days), median (IQR) |
3 (2–6) | 3 (2–6) | 4 (2–7) | 4 (2–7) | <0.001 |
| Sex Female, n (%) |
557,595 (50.41) | 538,635 (50.47) | 9795 (46.88) | 9165 (51.03) | <0.001 |
| Ethnicity | <0.001 | ||||
| White | 735,330 (66.48) | 707,550 (66.30) | 15,005 (71.81) | 12,775 (71.13) | |
| Black | 183,090 (16.55) | 177,790 (16.66) | 2880 (13.78) | 2420 (13.47) | |
| Hispanic | 84,950 (7.68) | 82,700 (7.75) | 1240 (5.93) | 1010 (5.62) | |
| Asian or Pacific Islander | 31,635 (2.86) | 30,500 (2.86) | 530 (2.54) | 605 (3.37) | |
| Native American | 4700 (0.42) | 4570 (0.43) | 60 (0.29) | 70 (0.39) | |
| Other | 27,460 (2.48) | 26,535 (2.49) | 410 (1.96) | 515 (2.87) | |
| ELIXHAUSER CO-MORBIDITIES, n (%) | |||||
| Congestive Heart Failure | 172,170 (15.57) | 166,950 (15.64) | 3225 (15.43) | 1995 (11.11) | <0.001 |
| Valvular Disease | 110,540 (9.99) | 106,640 (9.99) | 2300 (11.01) | 1600 (8.91) | 0.008 |
| Pulmonary Circulation Disease | 8460 (0.76) | 6710 (0.63) | 555 (2.66) | 1195 (6.65) | <0.001 |
| Peripheral Vascular Disease | 112,065 (10.13) | 107,955 (10.12) | 2470 (11.82) | 1640 (9.13) | <0.001 |
| Paralysis | 112,895 (10.21) | 108,920 (10.21) | 2260 (10.82) | 1715 (9.55) | 0.178 |
| Other Neurological Disorders | 6620 (0.60) | 6275 (0.59) | 210 (1.01) | 135 (0.75) | 0.001 |
| Chronic Pulmonary Disease | 174,180 (15.75) | 165,690 (15.53) | 4795 (22.95) | 3695 (20.57) | <0.001 |
| Diabetes (without chronic complications) | 210,220 (19.01) | 203,765 (19.09) | 3520 (16.85) | 2935 (16.34) | <0.001 |
| Diabetes (with chronic complications) | 214,400 (19.38) | 209,135 (19.60) | 3095 (14.81) | 2170 (12.08) | <0.001 |
| Hypothyroidism | 159,160 (14.39) | 153,810 (14.41) | 2950 (14.12) | 2400 (13.36) | 0.193 |
| Renal Failure | 181,950 (16.45) | 175,960 (16.49) | 3670 (17.56) | 2320 (12.92) | <0.001 |
| Liver Disease | 18,310 (1.66) | 17,275 (1.62) | 550 (2.63) | 485 (2.70) | <0.001 |
| Peptic Ulcer Disease | 7695 (0.70) | 7400 (0.69) | 175 (0.84) | 120 (0.67) | 0.527 |
| Acquired Immune Deficiency Syndrome | 2395 (0.22) | 2280 (0.21) | 100 (0.48) | 15 (0.08) | <0.001 |
| Lymphoma | 5315 (0.48) | 4915 (0.46) | 220 (1.05) | 180 (1.00) | <0.001 |
| Rheumatoid Arthritis/Collagen Vascular Disease | 30,150 (2.73) | 29,240 (2.74) | 520 (2.49) | 390 (2.17) | 0.075 |
| Coagulopathy | 41,405 (3.74) | 37,105 (3.48) | 1560 (7.47) | 2740 (15.26) | <0.001 |
| Obesity | 145,465 (13.15) | 142,575 (13.36) | 1775 (8.49) | 1115 (6.21) | <0.001 |
| Weight loss | 44,030 (3.98) | 39,685 (3.72) | 1795 (8.59) | 2550 (14.20) | <0.001 |
| Fluid and electrolyte disorders | 246,680 (22.30) | 235,750 (22.09) | 5200 (24.89) | 5730 (31.90) | <0.001 |
| Anaemia (chronic blood loss) | 4025 (0.36) | 3590 (0.34) | 240 (1.15) | 195 (1.09) | <0.001 |
| Anaemia (deficiency) | 133,005 (12.03) | 123,720 (11.59) | 4375 (20.94) | 4910 (27.34) | <0.001 |
| Alcohol abuse | 49,375 (4.46) | 48,080 (4.51) | 800 (3.83) | 495 (2.76) | <0.001 |
| Drug abuse | 28,985 (2.62) | 28,365 (2.66) | 355 (1.70) | 265 (1.48) | <0.001 |
| Psychoses | 26,255 (2.37) | 25,490 (2.39) | 440 (2.11) | 325 (1.81) | 0.041 |
| Depression | 124,635 (11.27) | 120,280 (11.27) | 2330 (11.15) | 2025 (11.28) | 0.971 |
| Hypertension | 946,140 (85.54) | 916,430 (85.87) | 16,975 (81.24) | 12,735 (70.91) | <0.001 |
| PROCEDURES, n (%) | |||||
| Thrombectomy | 34,420 (3.11) | 33,090 (3.10) | 670 (3.21) | 660 (3.67) | 0.139 |
| Thrombolysis | 103,600 (9.37) | 101,035 (9.47) | 1730 (8.28) | 835 (4.65) | <0.001 |
| OUTCOMES, n (%) | |||||
| In-hospital mortality | 43,545 (3.94) | 40,545 (3.80) | 1230 (5.89) | 1770 (9.86) | <0.001 |
| Length-of-stay >4 days | 380,605 (34.41) | 363,430 (34.05) | 8680 (41.54) | 8495 (47.30) | <0.001 |
| Routine Discharge | 394,105 (35.99) | 384,490 (36.39) | 5600 (26.94) | 4015 (22.52) | <0.001 |