Table 3 Regression coefficients and results of t-test.
From: Classification and regression model to manage the hospitalization for laparoscopic cholecystectomy
Unstandardized coefficients | Std. error | Standardised coefficients | t | p-value | |
|---|---|---|---|---|---|
Intercept | 295.887 | 191.269 | – | 1.547 | 0.122 |
Year of discharge | − 0.145 | 0.095 | − 0.022 | − 1.530 | 0.126 |
Gender | 0.206 | 0.553 | 0.005 | 0.373 | 0.709 |
Age | − 0.014 | 0.019 | − 0.011 | − 0.760 | 0.448 |
Pre-operative LOS | 1.471 | 0.029 | 0.736 | 51.394 | 0.000 |
Hypertension | 0.434 | 0.813 | 0.008 | 0.533 | 0.594 |
Diabetes | 1.891 | 1.319 | 0.021 | 1.434 | 0.152 |
Obesity | − 1.172 | 1.507 | − 0.011 | − 0.778 | 0.437 |
Cardiovascular disease | − 0.551 | 1.322 | − 0.006 | − 0.417 | 0.677 |
Allergies | − 1.521 | 1.940 | − 0.011 | − 0.784 | 0.433 |
Presence of hernia | − 0.641 | 2.231 | − 0.004 | − 0.287 | 0.774 |
Respiratory disorders | − 0.623 | 2.056 | − 0.004 | − 0.303 | 0.762 |
Surgery with complications | − 0.781 | 0.855 | − 0.014 | − 0.913 | 0.361 |
