Table 3.
Descriptive statistics of patient characteristics and their impact on utility pre and post hospitalisation
| Variable | Descriptive statistics (mean [standard deviation]) | Regression analysis Index | Regression analysis VAS | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre hospitalisation | Post hospitalisation | Mean of Differences | Coefficient estimate | Standard error | p-value | Coefficient estimate | Standard error | p-value | |
| Intercept | – | – | – | 1.34 × 10−2 | 2.39 × 10− 2 | 0.5748 | 2.12 × 10− 2 | 1.87 × 10− 2 | 0.259 |
| Body mass index (kg/cm2) | 26.4 (5.9) | 23.9 (9.9) | −2.5 (8.9) | 1.73 × 10− 2 | 7.33 × 10−3 | 0.0198* | 7.45 × 10−4 | 5.77 × 10− 3 | 0.897 |
| Systolic blood pressure (mm Hg) | 116.7 (21.3) | 118.4 (22.6) | 1.2 (21.5) | 2.49 × 10− 4 | 1.39 × 10− 3 | 0.8579 | −1.86 × 10− 4 | 1.07 × 10− 3 | 0.862 |
| Diastolic blood pressure (mm Hg) | 69.2 (10.9) | 69.5 (11.5) | 0.3 (14.2) | 8.66 × 10− 4 | 2.24 × 10− 3 | 0.6991 | 2.01 × 10− 4 | 1.73 × 10− 3 | 0.908 |
| Hemoglobin (g/dl) | 8.8 (6.3) | 8.8 (6.1) | −0.0 (2.5) | − 1.77 × 10− 3 | 9.38 × 10− 3 | 0.8510 | − 1.10 × 10− 3 | 7.45 × 10− 3 | 0.882 |
| Serum sodium (mmol/l) | 134.6 (19.3) | 133.4 (22.7) | −2.5 (26.5) | 5.88 × 10−5 | 1.44 × 10− 3 | 0.9674 | 7.60 × 10− 4 | 1.13 × 10− 3 | 0.503 |
| Serum creatinine (μmol/l) | 136.6 (64.4) | 139.5 (58.3) | 1.1 (55.2) | −9.70 × 10− 4 | 4.52 × 10− 4 | 0.0339* | − 8.70 × 10− 4 | 3.55 × 10− 4 | 0.016* |
* p-value < 0.05