TABLE 6.
Effect of selected parameters on length of hospital stay (<5 vs. ≥5 days) (univariate model and multivariate predictors included in logistic regression analysis).
| Parameter | Unadjusted model | Adjusted model | |||||||||
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| B | P-value | OR | −95% CI | +95% CI | B | P-value | OR | −95% CI | +95% CI | ||
| Age (years) | 0.04 | 0.000 | 1.04 | 1.03 | 1.05 | 0.04 | 0.000 | 1.04 | 1.03 | 1.05 | |
| NRS (points) | 0.09 | 0.122 | 1.09 | 0.98 | 1.23 | − | − | − | − | − | |
| BMI (kg/m2) | 0.00 | 0.706 | 1.00 | 0.97 | 1.02 | − | − | − | − | − | |
| TG (mg/dl) | 0.00 | 0.818 | 1.00 | 1.00 | 1.00 | − | − | − | − | − | |
| LDL (mg/dl) | –0.01 | 0.000 | 0.99 | 0.99 | 0.99 | − | − | − | − | − | |
| HDL (mg/dl) | –0.02 | 0.000 | 0.98 | 0.97 | 0.99 | –0.03 | 0.000 | 0.97 | 0.96 | 0.98 | |
| TC (mg/dl) | 0.00 | 0.001 | 0.996 | 0.994 | 0.998 | − | − | − | − | − | |
| CRP (mg/L) | 0.02 | 0.000 | 1.02 | 1.01 | 1.02 | − | − | − | − | − | |
| Albumin (g/dl) | 0.52 | 0.162 | 1.68 | 0.81 | 3.47 | − | − | − | − | − | |
| Transferrin (g/L) | –0.13 | 0.596 | 0.88 | 0.55 | 1.41 | − | − | − | − | − | |
| Lymphocytes (%) | –0.03 | 0.008 | 0.97 | 0.95 | 0.99 | − | − | − | − | − | |
| PCT (ng/ml) | 0.95 | 0.128 | 2.58 | 0.76 | 8.78 | − | − | − | − | − | |
| TSH (uIU/ml) | 0.06 | 0.109 | 1.07 | 0.99 | 1.15 | − | − | − | − | − | |
| FT3 (pg/ml) | 0.07 | 0.550 | 1.08 | 0.85 | 1.37 | − | − | − | − | − | |
| FT4 (ng/dl) | –0.07 | 0.633 | 0.93 | 0.70 | 1.25 | − | − | − | − | − | |
| BNP (pg/ml) | 0.00 | 0.021 | 1.00 | 1.00 | 1.00 | − | − | − | − | − | |
| NT-proBNP (pg/ml) | 0.00 | <0.001 | 1.00 | 1.00 | 1.00 | − | − | − | − | − | |
| K (mmol/L) | –0.35 | 0.002 | 0.70 | 0.56 | 0.88 | − | − | − | − | − | |
| Na (mmol/L) | –0.08 | 0.000 | 0.93 | 0.90 | 0.96 | − | − | − | − | − | |
| HbA1c (%) | 0.15 | 0.027 | 1.16 | 1.02 | 1.32 | − | − | − | − | − | |
| Sex (ref. male) | Female | 0.29 | 0.006 | 1.34 | 1.09 | 1.65 | − | − | − | − | − |
| NRS (ref. <3) | ≥3 | 0.44 | 0.029 | 1.55 | 1.05 | 2.31 | − | − | − | − | − |
| BMI (kg/m2) (ref. 18.5–24.9) | 25.0—29.9 | –0.16 | 0.311 | 0.85 | 0.62 | 1.17 | − | − | − | − | − |
| ≥30.0 | –0.17 | 0.296 | 0.85 | 0.62 | 1.16 | − | − | − | − | − | |
| Type of AF (ref. permanent) | Paroxysmal | –0.56 | 0.000 | 0.57 | 0.43 | 0.76 | − | − | − | − | − |
| Persistent | –0.55 | 0.000 | 0.57 | 0.44 | 0.76 | − | − | − | − | − | |
| EHRA class (ref. I) | IIa | 0.77 | 0.175 | 2.17 | 0.71 | 6.62 | − | − | − | − | − |
| IIb | 0.28 | 0.961 | 1.03 | 0.33 | 3.22 | − | − | − | − | − | |
| III | 1.05 | 0.062 | 2.84 | 0.95 | 8.51 | − | − | − | − | − | |
| IV | 0.73 | 0.450 | 2.07 | 0.31 | 13.77 | − | − | − | − | − | |
| HF | Yes | 0.01 | 0.930 | 1.01 | 0.78 | 1.32 | − | − | − | − | − |
| DM | Yes | –0.28 | 0.038 | 0.75 | 0.58 | 0.98 | − | − | − | − | − |
| CKD | Yes | 0.24 | 0.115 | 1.27 | 0.94 | 1.70 | − | − | − | − | − |
| CS | Yes | –0.60 | 0.002 | 0.55 | 0.38 | 0.80 | − | − | − | − | − |
| HT | Yes | –0.69 | 0.000 | 0.50 | 0.41 | 0.62 | –0.55 | 0.000 | 0.58 | 0.44 | 0.76 |
| ACS | Yes | –0.16 | 0.368 | 0.85 | 0.60 | 1.21 | − | − | − | − | − |
| Thyroid disease | Hyperthyroidism | 0.41 | 0.039 | 1.50 | 1.02 | 2.21 | − | − | − | − | − |
| Hypothyroidism | 0.20 | 0.195 | 1.23 | 0.90 | 1.67 | − | − | − | − | − | |
| TG (ref. <135 mg/dl) | 135–200 mg/dl | –0.08 | 0.517 | 0.92 | 0.71 | 1.18 | − | − | − | − | − |
| >200 mg/dl | 0.00 | 1.000 | 1.00 | 0.69 | 1.46 | − | − | − | − | − | |
| LDL (ref. <70 mg/dl) | 70–116 mg/dl | –0.07 | 0.581 | 0.93 | 0.71 | 1.21 | − | − | − | − | − |
| >116 mg/dl | –0.72 | 0.000 | 0.49 | 0.37 | 0.65 | − | − | − | − | − | |
| HDL (ref. <40 mg/dl) | ≥40 mg/dl | –0.58 | 0.000 | 0.56 | 0.45 | 0.71 | − | − | − | − | − |
LOHS, length of hospital stay; N, number of patients; AF, atrial fibrillation; EHRA, European Heart Rhythm Association; NRS, Nutritional Risk Score 2002; BMI, body mass index; HF, heart failure; DM, diabetes mellitus; CKD, chronic kidney disease; CS, cerebral stroke; HT, hypertension; ACS, acute coronary syndrome; TD, thyroid disease; TG, triglycerides; LDL, low-density lipoprotein; HDL, high-density lipoprotein; TC, total cholesterol; CRP, C-reactive protein; PCT, procalcitonin; TSH, thyroid-stimulating hormone; FT3, free triiodothyronine; FT4, free thyroxine; BNP, brain natriuretic peptide; NT-proBNP, N-terminal prohormone of brain natriuretic peptide; K, potassium; Na, sodium; HbA1c, hemoglobin A1c; B, regression coefficient B; OR, odds ratio; CI, confidence intervals.