Table 6: Other baseline characteristics of each tracheostomy group.
|
No tracheostomy |
Elective tracheostomy |
Delayed tracheostomy |
P value |
WHO PS 0 1 2 3 |
45 47 4 2 |
13 16 5 1 |
9 11 2 1 |
0.419 |
Pre-operative nutritional support n (%) |
52 (53) |
25 (69) |
16 (70) |
0.128 |
Peak flow (l/min) Mean (SD) |
n = 78 477.18 (107.73) |
n = 26 447.50 (148.04) |
n = 16 493.94 (103.20) |
0.400 |
AT-VE/VO2 Mean (SD) |
n = 57 32.19 (5.15) |
n = 30 33.63 (5.97) |
n = 17 31.94 (4.35) |
0.387 |
Operative fluid balance (liter) Mean (SD) |
2.44 (1.23) |
2.71 (1.25) |
2.30 (1.29) |
0.387 |
Preoperative Hemoglobin (g/l) Median (IQR) |
130 (120-137) |
132 (116-143) |
135 (122-144) |
0.339 |
Preoperative Albumin (g/l) Median (IQR) |
40 (24-42) |
39 (37-41) |
40 (39-42) |
0.277 |
Highest lactate (mmol/l) Median (IQR) |
1.20 (0.9-1.7) |
1.30 (1.15-1.95) |
1.25 (1.10-1.70) |
0.397 |
WHO PS: World Health Organisation Performance status; n: Number; l/min: Litres per minute; AT- VE/VCO2: Minute ventilation/carbon dioxide production at Anaerobic Threshold; SD: Standard Deviation; IQR: Interquartile Range; g/l: Grams per litre; mmol/l: Millimole per litre.