Table 2.
Impact of unplanned TKA readmissions on hospital finances for the entire episode of care
| Reimbursement (USD) | Total cost (USD) | Profit (USD) | Variable cost (USD) | Contribution margin (USD) | |
|---|---|---|---|---|---|
| Median episode of care with unplanned readmission(s) (Interquartile range) | 32,348 (24,854; 43,996) Range, 15,386 to 103,140 |
27,813 (22,451; 39,288) Range, 12,684 to 142,789 |
2855 (−2981; $10,888) Range, −92,769 to 48,419 |
16,319 (13,143; 23,286) Range, 7992 to 77,856 |
13,901 (8796; 22,729) Range, −27,836 to 69,501 |
| Median episode of care without unplanned readmission (Interquartile range) | 24,149 (16,471; 27,153) Range, 3718 to 122,503 |
16,018 (13,893; 20,562) Range, 5740 to 132,957 |
5300 (1420; 11,141) Range, −52,057 to 85,415 |
9964 (8635; 13,195) Range, 2998 to 81,558 |
11,652 (7319; 16,795) Range, −21,361 to 98,657 |
| p Value | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
| Linear regression coefficient* (95% CI) | 11,571 (9983 to 13,159) | 15,701 (14,481 to 16,921) | −4130 (−5679 to −2581) | 8574 (7821 to 9327) | 2997 (1561 to 4434) |
* Linear regression coefficient is a measure of effect size. CI = Confidence interval.