Table 3.
Comparison of prolonged weaning group with simple or difficult weaning groups
| Variables | Weaning category | P | |
|---|---|---|---|
|
| |||
| Prolonged (n=65) | Simple or difficult (n=60) | ||
| Age yr. | 65 (60-75) | 65 (57-72) | 0.25 |
| Male % | 51 (83) | 50 (81) | 0.5 |
| APACHE II score (points) | 30 (24-35) | 23 (20-28) | <0.001 |
| BMI | 28 (26-33) | 29 (28-33) | 0.1 |
| NTIS | 46 (70) | 18 ( 30) | <0.001 |
| Accompanying infections (%) | 46 (70) | 20 (33) | <0.001 |
| ICU deaths | 45 (69) | 6 (10) | <0.001 |
| Thyroid function | |||
| fT3 (pg/mL) | 1.70 (1.01-2.07) | 2.19 (1.60-2.54) | 0.001 |
| fT4 (pg/mL) | 1.01 (0.70-1.32) | 1.17 (0.99-1.55) | 0.06 |
| TSH (mIU/mL) | 0.68 (0.24-1.62) | 0.51 (0.29-1.70) | 0.94 |
APACHE II, Acute Physiology and Chronic Health Evaluation II, BMI, body mass index, NTIS, Nonthyroidal Illness Syndrome, fT3, free triiodothyronine, fT4, free thyroxine, TSH, thyroid-stimulating hormone.