Table 4 Prediction for length of stay using medical records and claims data-based comorbidity index score
| Â | Â | Exp[coefficient] based on medical records | 95% Confidence interval | Exp[coefficient] based on claims data | 95% Confidence interval |
|---|---|---|---|---|---|
Age[years] | ≤ 49 | 1 |  | 1 |  |
| Â | 50-59 | 1.06 | (0.880-1.295) | 1.06 | (0.871-1.282) |
| Â | 60-69 | 1.2 | (1.000-1.448) | 1.19 | (0.986-1.427) |
|  | ≥ 70 | 1.07 | (0.866-1.328) | 1.05 | (0.846-1.305) |
Gender | male | 1 | Â | 1 | Â |
| Â | female | 0.96 | (0.832-1.113) | 0.96 | (0.833-1.116) |
Histologic subtype | squamous cell carcinoma | 1 | Â | 1 | Â |
| Â | adenocarcinoma | 0.95 | (0.834-1.094) | 0.96 | (0.839-1.101) |
| Â | bronchoalveolar carcinoma | 1.1 | (0.827-1.471) | 1.1 | (0.827-1.473) |
| Â | large cell carcinoma | 0.79 | (0.372-1.675) | 0.8 | (0.377-1.709) |
| Â | small cell carcinoma | 1.21 | (0.654-2.268) | 1.19 | (0.640-2.227) |
| Â | other | 0.94 | (0.552-1.626) | 0.96 | (0.558-1.639) |
Surgical treatment type | wedge resection | 1 | Â | 1 | Â |
| Â | lobectomy | 1.15 | (0.832-1.607) | 1.18 | (0.851-1.641) |
| Â | pneumonectomy | 0.98 | (0.674-1.438) | 1.01 | (0.688-1.469) |
| Â | other | 1.43 | (0.721-2.864) | 1.46 | (0.729-2.913) |
Pathologic stage | I | 1 | Â | 1 | Â |
| Â | II | 0.96 | (0.832-1.123) | 0.97 | (0.838-1.132) |
| Â | III | 1.13 | (0.993-1.302) | 1.15* | (1.005-1.314) |
CCI score | 0 | 1 | Â | 1 | Â |
| Â | 1 | 0.92 | (0.809-1.062) | 0.99 | (0.863-1.128) |
| Â | 2+ | 0.94 | (0.775-1.144) | 1 | (0.872-1.142) |