Table 1 Baseline characteristics of the studied sample of long-stay patients
Total population n = 620 | Surgical intensive care unit n = 476 | Medical intensive care unit n = 144 | |||||||
|---|---|---|---|---|---|---|---|---|---|
Before IIT n = 168 | After IIT n = 452 | p-value | Before IIT n = 62 | After IIT n = 414 | p-value | Before IIT n = 106 | After IIT n = 38 | p-value | |
Male/female sex, n (%) | 105/168 (62.5) | 305/452 (67.5) | 0.2 | 41/62 (66.1) | 285/414 (68.8) | 0.7 | 64/106 (60.4) | 20/38 (52.6) | 0.4 |
Age, years (mean ± SD) | 61 ± 15 | 62 ± 14 | 0.4 | 64 ± 13 | 63 ± 14 | 0.6 | 60 ± 15 | 61 ± 17 | 0.9 |
ICU type/MICU total n (%) | 106/168 (63.1) | 38/452 (8.4) | < 0.0001 | ||||||
Diagnostic group, total n (%) of the category | < 0.0001 | 0.1 | |||||||
Abdominal/gastro- intestinal/liver | 19/71 (26.8) | 52/71 (73.2) | 6/55 (10.9) | 49/55 (89.1) | 13/16 (81.3) | 3/16 (18.7) | |||
Cardiovascular | 24/171 (14.0) | 147/171 (86.0) | 21/167 (12.6) | 146/167 (87.4) | 3/4 (75.0) | 1/4 (25.0) | |||
Cerebral/neurological | 6/60 (10.0) | 54/60 (90.0) | 2/52 (3.8) | 50/52 (96.2) | 4/8 (50.0) | 4/8(50.0) | |||
Haematological/oncol ogy/transplant | 3/31 (9.7) | 28/31 (90.3) | 2/29 (6.9) | 27/29 (93.1) | 1/2 (50.0) | 1/2 (50.0) | |||
Other | 32/73 (43.8) | 41/73 (56.2) | 10/43 (23.3) | 33/43 (76.7) | 22/30 (73.3) | 8/30 (26.7) | |||
Polytrauma | 6/37 (16.2) | 31/37 (83.8) | 6/37 (16.2) | 31/37 (83.8) | 0/0 | 0/0 | |||
Respiratory/thoracic | 61/136 (44.9) | 75/136 (55.1) | 8/64 (12.5) | 56/64 (87.5) | 53/72 (73.6) | 19/72 (26.4) | |||
History of diabetes, total n (%) | 0.2 | 0.9 | 0.07 | ||||||
Insulin treated | 11/151 (7.3) | 26/420 (6.2) | 3/55 (5.5) | 23/384 (6.0) | 8/96(8.3) | 3/36 (8.3) | |||
Oral antidiabetic treatment and/or diet | 16/151 (10.6) | 26/420 (6.2) | 3/55 (5.5) | 26/384 (6.8) | 13/96 (13.5) | 0/36 (0) | |||
Baseline APACHE II, (mean ± SD) | 19.0 ± 8.3 | 16.2 ± 7.1 | < 0.0001 | 14.6 ± 6.7 | 15.7 ± 6.9 | 0.3 | 21.7 ± 8.1 | 21.5 ± 7.5 | 0.9 |
On admission blood glucose, mg/dl median (IQR) | 157 (126 to 202) | 134 (107 to 172) | < 0.0001 | 163 (126 to 199) | 135 (109 to 173) | 0.007 | 151 (126 to 202) | 124 (96 to 156) | 0.008 |
On admission mechanical ventilation, total n (%) | 133/140 (95.0) | 402/413 (97.3) | 0.2 | 55/55 (100) | 375/381 (98.4) | 0.3 | 78/85 (91.8) | 27/32 (84.4) | 0.2 |