Table 6.
Estimated effects of the causal latent class two-parameter logistic model for being in the 1st latent class rather than in the 2nd latent class for the secondary outcomes. Estimated standard errors and asymptotic confidence interval at confidence level of 0.95
| 1st vs 2nd LC | Estimated coefficient | S.E. | CI | |
|---|---|---|---|---|
| Intercept | 1.24 | 1.37 | (− 1.45, 3.93) | |
| Thromboembolism prophylaxis | − 2.56*** | 0.80 | (− 4.13, − 0.99) | Favor being in the 1st LC |
| Ambulation within POD 1 | − 1.48*** | 0.27 | (− 2.01, − 0.95) | |
| IV fluid stop within POD 2 | − 1.45*** | 0.25 | (− 1.94, − 0.96) | |
| NGT removed on POD 0 | − 1.21*** | 0.36 | (− 1.92, − 0.50) | |
| No bowel preparation | − 0.77 | 0.92 | (− 2.57, 1.03) | |
| No surgical drainage | − 0.48* | 0.27 | (− 1.01, 0.05) | |
| Epidural anesthesia | − 0.47* | 0.27 | (− 1.00, 0.06) | |
| Colon surgery | − 0.23 | 0.28 | (− 0.78, 0.32) | |
| PONV prophylaxis | − 0.13 | 0.28 | (− 0.68, 0.42) | |
| UC removal within POD 1 | − 0.04 | 0.26 | (− 0.55, 0.47) | |
| Intraoperative fluids | − 0.02 | 0.03 | (− 0.08, 0.04) | |
| Morphine | − 0.02 | 0.23 | (− 0.47, 0.43) | |
| IV fluids during POD 1 | − 0.01 | 0.01 | (− 0.03, 0.01) | |
| Preoperative hospital stay | 0.00 | 0.03 | (− 0.06, 0.06) | Favor being in the 2nd LC |
| Malignant lesion | 0.04 | 0.30 | (− 0.55, 0.63) | |
| Premedication | 0.46 | 0.38 | (− 0.28, 1.20) | |
| Blood transfusion | 0.87** | 0.33 | (0.22, 1.52) | |
| Preoperative glucidic drink | 0.97** | 0.28 | (0.42, 1.52) | |
| Prokinetics | 1.22** | 0.20 | (0.75, 1.69) |
LC: latent class; IV: intravenous; UC: urinary catheter; NGT: naso-gastric tube; POD: postoperative day. Significance levels for the test based on the estimated standard errors that each parameter is equal to zero: *significant at 1%; **significant at 5%; ***significant at 10%