Table 5.
Multivariate linear regression for total in-hospital cost. Adjusted R-square = 0.9713. OR = operating room.
| Parameter | Standardized Estimate | 95% Confidence Limits | p Value | |
|---|---|---|---|---|
| Implant Cost | 0.700 | 0.997 | 1.039 | <0.0001 |
| OR Time (minutes) | 0.288 | 13.826 | 15.046 | <0.0001 |
| Length of Stay (days) | 0.546 | 644.531 | 673.441 | <0.0001 |
| Age GroupNonagenarian | 0.004 | −45.193 | 88.327 | 0.5262 |
| Procedure TypeHip | −0.101 | −302.116 | −231.715 | <0.0001 |
| Insurance Medicare | −0.025 | −105.339 | −39.778 | <0.0001 |
| Discharge Disposition Home | 0.015 | 7.023 | 73.395 | 0.0176 |
| Discharge Disposition Inpatient Rehab | 0.006 | −24.467 | 70.475 | 0.3418 |