Table 2.
Clinical and epidemiological characteristics of patients admitted to the intensive care unit stratified by their length of stay in the emergency room
| Group 1 | Group 2 | Group 3 | p value | |
|---|---|---|---|---|
| (n = 65) | (n = 70) | (n = 71) | ||
| Clinical admission | 39 (60) | 41 (58) | 49 (67) | 0.482 |
| Male | 42 (65) | 43 (61) | 46 (63) | 0.885 |
| Age (years) | 48 [28 - 61] | 52 [31 - 60] | 58 [44 - 72] | 0.001 |
| Chronic kidney dialysis | 2 (3) | 4 (6) | 4 (5.5) | 0.739 |
| Cancer | 2 (3) | 2 (3) | 7 (10) | 0.125 |
| Arterial hypertension | 21 (32) | 23 (32) | 29 (40) | 0.567 |
| Need for assistance | 5 (9) | 9 (14.5) | 17 (26) | 0.038 |
| Bedridden | 2 (4) | 2 (3) | 6 (9) | 0.256 |
| Glasgow coma scale | 15 [13 - 15] | 15 [12 - 15] | 14 [12 - 15] | 0.585 |
| Diagnosis | ||||
| Cardiovascular diseases | 1 (2) | 1 (1,5) | 1 (1) | 0.996 |
| Neurological diseases | 18 (29) | 17 (25) | 27 (38) | 0.245 |
| Infectious diseases | 12 (19) | 19 (28) | 17 (24) | 0.461 |
| Pulmonary diseases | 4 (6) | 4 (6) | 2 (3) | 0.579 |
| Kidney diseases | 1 (2) | 1 (1.5) | 2 (3) | 0.824 |
| Other diseases | 27 (43) | 25 (37) | 22 (31) | 0.362 |
| Type of support at ICU admission | ||||
| Noradrenaline | 11 (17.5) | 13 (19) | 15 (21) | 0.877 |
| Dopamine | 3 (5) | 3 (4) | 1 (1) | 0.506 |
| Dobutamine | 2 (3) | 2 (3) | 2 (3) | 0.991 |
| Orotracheal intubation in ER | 36 (55) | 41 (58) | 40 (55) | 0.932 |
| Orotracheal intubation in ICU | 0 (0,0) | 1 (1) | 2 (3) | 0.402 |
| ICU renal support | 4 (6) | 6 (9) | 5 (7) | 0.700 |
| Outcomes | ||||
| Length of stay in ER (minutes) | 375 [284 - 534] | 973 [736 - 1229] | 2693 [1930 - 4004.5] | < 0.001 |
| Length of stay in ICU (days) | 3 [0,8 - 10] | 4 [0,7 - 8] | 4 [0 - 9] | 0.953 |
| Prolonged hospital stay | 31 (48) | 37 (52) | 37 (51) | 0.872 |
| Length of hospital stay (days) | 10 [4 - 21] | 11 [6,5 - 20] | 18 [9 - 31] | 0.002 |
| ICU mortality rate | 16 (25) | 22 (31) | 20 (27) | 0,707 |
| Hospital mortality rate | 20 (31) | 24 (34) | 28 (38) | 0,639 |
ICU - intensive care unit; ER - emergency room. Missing data were obtained for 1 patient in Group 2 and 2 patients in Group 3. Group 1: < 637 min; Group 2: 637 – 1,602 min; Group 3: > 1602 min. Results expressed as n (%) or median (25% - 75%).