Table 9. Length of Total Hospital Stay (LOS).
| Variables | N | Univariable linear regression | Multivariable linear regression | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| 95% CI for β | 95% CI for β | ||||||||
|
|
|
||||||||
| β | Lower | Upper | P-Value | β | Lower | Upper | P-Value | ||
| Group | |||||||||
| A* | 322 | ||||||||
| B | 386 | -6.37 | -8.29 | -4.45 | <0.001† | -6.42 | -8.29 | -4.54 | <0.001 |
| Gender | |||||||||
| Male* | 617 | ||||||||
| Female | 91 | 1.98 | -0.96 | 4.92 | 0.186† | ||||
| Age Preoperative treatment | 708 | 0.11 | 0.01 | 0.20 | 0.028† | ||||
| No* | 140 | ||||||||
| Yes | 568 | -2.028 | -4.50 | -0.44 | 0.107† | ||||
| Diabetes | |||||||||
| No* | 597 | ||||||||
| Yes | 111 | -0.03 | -2.74 | 2.67 | 0.980 | ||||
| COPD | |||||||||
| No* | 663 | ||||||||
| Yes | 45 | 2.70 | -1.33 | 6.73 | 0.189† | ||||
| CAD | |||||||||
| No* | 589 | ||||||||
| Yes | 119 | 1.72 | -0.92 | 4.35 | 0.201† | ||||
| Histology | |||||||||
| Adenocarcinoma* | 643 | ||||||||
| Squamous cell carcinoma | 65 | 8.53 | 5.18 | 11.88 | <0.001† | 5.87 | 1.92 | 9.81 | 0.004 |
| Tumor location | |||||||||
| Upper/cervical/middle* | 63 | ||||||||
| Lower/GEJ | 645 | -8.47 | -11.87 | -5.07 | <0.001† | -5.04 | -9.04 | -1.04 | 0.014 |
| Type of esophagectomy | 0.001† | ||||||||
| Ivor Lewis* | 462 | ||||||||
| Transhiatal | 59 | 1.92 | -1.67 | 5.50 | 0.294 | ||||
| Total | 49 | 7.84 | 3.95 | 11.73 | <0.001 | ||||
| Minimal invasive | 124 | -1.49 | -4.10 | 1.14 | 0.267 | ||||
| N/A | 14 | 0.55 | -6.48 | 7.58 | 0.877 | ||||
| Minimal invasive surgery | |||||||||
| No* | 584 | ||||||||
| Yes | 124 | -2.35 | -4.93 | 0.24 | 0.075† | ||||
| Pathological stage | |||||||||
| 0* | 145 | ||||||||
| I | 149 | -1.50 | -4.56 | 4.56 | 0.337 | ||||
| II | 254 | -0.92 | -3.65 | 1.81 | 0.509 | ||||
| III | 144 | -0.71 | -3.79 | 2.38 | 0.654 | ||||
| IV | 16 | 1.62 | -5.30 | 8.52 | 0.647 | ||||
| Clinical stage | |||||||||
| 0* | 5 | ||||||||
| I | 108 | 4.99 | -7.00 | 16.97 | 0.414 | ||||
| II | 253 | 3.60 | -8.23 | 15.44 | 0.550 | ||||
| III | 314 | 5.22 | -6.60 | 17.03 | 0.386 | ||||
| IV | 28 | 4.94 | -7.78 | 17.67 | 0.446 | ||||
| ASA-risk scale | |||||||||
| 1-2* | 122 | ||||||||
| 3-4 | 586 | 1.293 | -1.31 | 3.90 | 0.330 | ||||
| Salvage operation | |||||||||
| No* | 612 | ||||||||
| Yes | 96 | 2.87 | 0.002 | 5.74 | 0.050† | ||||
*
Reference group.
†
Statistically significant for univariable analysis (p<0.25).
βindicates odds ratio; CI, confidence interval; COPD, chronic pulmonary obstructive disease; CA, coronary artery disease; GEJ, gastroesophageal junction; ASA, American Society of Anesthesiologist.