Table 1 Comparison of clinicopathological characteristics between the intensivist and non-intensivist groups
Variable | Intensivist group n = 484,004 | Non-intensivist group n = 663,489 | P value |
|---|---|---|---|
Age, year | 66.4 (15.1) | 69.9 (15.2) | < 0.001 |
Sex, men | 284,708 (58.8) | 371,623 (56.0) | < 0.001 |
Having a job | 261,814 (54.1) | 335,814 (54.1) | < 0.001 |
Household income level | < 0.001 | ||
Medical aid program | 35,737 (7.4) | 74,683 (11.3) | |
Q1 (Lowest) | 77,556 (16.0) | 109,691 (16.5) | |
Q2 | 73,500 (15.2) | 95,803 (14.4) | |
Q3 | 947,648 (19.6) | 123,721 (18.6) | |
Q4 (Highest) | 151,242 (31.2) | 185,700 (28.0) | |
Unknown | 51,321 (10.6) | 73,891 (11.1) | |
Residence | < 0.001 | ||
Urban area | 209,851 (43.4) | 204,446 (30.8) | |
Rural area | 228,719 (47.3) | 393,635 (59.3) | |
Unknown | 45,434 (9.4) | 65,408 (9.9) | |
ICU stay, day | 3.5 (5.1) | 3.8 (5.6) | < 0.001 |
LOS, day | 14.9 (12.6) | 13.8 (12.4) | < 0.001 |
CCI, point | 2.5 (2.2) | 2.5 (2.1) | < 0.001 |
Admitting department | < 0.001 | ||
Non-IM | 250,575 (51.8) | 312,457 (47.1) | |
IM | 233,429 (48.2) | 351,032 (52.9) | |
Hospital admission through ED | 296,553 (61.3) | 367,726 (55.4) | < 0.001 |
Isolated ICU admission | 18,579 (3.8) | 13,559 (2.0) | < 0.001 |
Hospital levela | < 0.001 | ||
Tertiary general hospital | 327,440 (67.7) | 147,310 (22.2) | |
General hospital | 156,564 (32.3) | 499,383 (75.3) | |
Other hospital | 0 (0.0) | 16,796 (2.5) | |
Surgery associated hospital admission | 384,845 (79.5) | 407,400 (61.4) | < 0.001 |
Result of hospitalization | < 0.001 | ||
Same-hospital follow-up | 87,933 (18.2) | 122,117 (18.4) | |
Transfer to a long-term facility care center | 27,730 (5.7) | 23,219 (3.5) | |
Death during hospitalization | 71,178 (14.7) | 101,623 (15.3) | |
Discharge and other outpatient clinic follow-up | 297,163 (61.4) | 416,530 (62.8) | |
30 d mortality | 77,627 (16.0) | 119,208 (18.0) | < 0.001 |
90 d mortality | 104,423 (21.6) | 157,738 (23.8) | < 0.001 |
1-year mortality | 137,046 (28.3) | 204,368 (30.8) | < 0.001 |
Total cost for hospitalization, USD | 11,129.9 (10,787.2) | 6,766.4 (6,839.0) | < 0.001 |
Year of admission | < 0.001 | ||
2016 | 88,005 (18.2) | 172,465 (26.0) | |
2017 | 116,155 (24.0) | 158,587 (23.9) | |
2018 | 130,782 (27.0) | 155,802 (23.5) | |
2019 | 149,062 (30.8) | 176,635 (26.6) |