Decreased triiodothyronine (T3) as a predictor for prolonged mechanical ventilation in critically ill patients with cardiac surgery

Table 4 Logistic regression for baseline and laboratory variables to predict prolonged MV

Variable	OR	95% CI	P value
Male sex	1.382	0.653–2.922	0.398
Age	0.998	0.970–1.028	0.905
BMI	1.012	0.933–1.097	0.772
APACHE II score	1.020	0.949–1.096	0.587
EuroSCORE	1.007	0.871–1.164	0.930
LVEF	10.311	0.210–505.667	0.240
Operation time	1.002	0.999–1.006	0.180
Pre-operation
NT-proBNP	1.000	1.000–1.000	0.882
Total protein	0.981	0.901–1.070	0.671
Albumin	1.030	0.958–1.107	0.425
AST	1.001	0.998–1.004	0.474
ALT	0.984	0.953–1.015	0.312
Total bilirubin	0.973	0.927–1.022	0.276
Creatinine	0.998	0.993–1.004	0.529
WBC	1.118	0.999–1.252	0.053
Lac	0.881	0.636–1.219	0.443
TT3	0.045	0.004–0.470	0.010
TT4	0.975	0.942–1.010	0.156
FT3	0.401	0.163–0.987	0.047
FT4	0.763	0.551–1.055	0.102
TSH	0.931	0.716–1.211	0.594
Post-operation
Total protein	1.003	0.957–1.052	0.891
Albumin	0.997	0.912–1.089	0.943
AST	1.001	0.998–1.003	0.631
ALT	1.001	0.999–1.003	0.379
Total bilirubin	0.991	0.968–1.015	0.470
Creatinine	0.998	0.992–1.003	0.433
WBC	0.977	0.917–1.041	0.473
PCT	0.925	0.791–1.080	0.323
Lac	1.056	0.932–1.196	0.392
TT3	0.047	0.000–7.350	0.236
TT4	0.981	0.947–1.017	0.295
FT3	0.172	0.028–1.043	0.056
FT4	0.829	0.643–1.068	0.147
TSH	1.032	0.918–1.161	0.595

MV Mechanical ventilation, OR Odds ratio, CI Confidence interval, BMI Body mass index, APACHE II Acute Physiology and Chronic Health Evaluation II, LVEF Left ventricular ejection fraction, NT-proBNP N-terminal pro brain natriuretic peptide, AST Aspartate aminotransferase, ALT Aspartate aminotransferase, WBC White blood cell, Lac Lactate, TT3 Total triiodothyronine, FT3 Free triiodothyronine, TT4 Total thyroxine, FT4 Free thyronine, TSH Thyroid-stimulating hormone, PCT Procalcitonin

ISSN: 1471-2253