Table 3.
N = 25,076 matched pairs Outcome |
Overall Rate N = 25,076 pairs |
Outcomes by Patient Risk Strata | ||||
---|---|---|---|---|---|---|
Lowest N = 5,015 |
Lower N = 5,015 |
Middle N = 5,016 |
Higher N = 5,015 |
Highest N = 5,015 |
||
30-day Mortality Rate (%) | ||||||
Focal | 4.8 | 0.2 | 0.7 | 1.8 | 4.2 | 17.3 |
Control | 5.8 | 0.4 | 1.1 | 2.2 | 5.8 | 19.9 |
Difference in Mortality | −1.0d | −0.2 | −0.3 | −0.4 | −1.6c | −2.6c |
ICU Utilization Rate (%) | ||||||
Focal | 32.9 | 7.6 | 17.8 | 28.8 | 42.1 | 68.0 |
Control | 42.9 | 12.5 | 26.4 | 41.2 | 57.2 | 77.0 |
Difference in ICU Use | −10.0d | −4.9d | −8.6d | −12.4d | −15.2d | −9.1d |
LOS (mean, days) | ||||||
Focal | 8.7 | 2.8 | 5.6 | 7.9 | 10.9 | 16.3 |
Control | 8.8 | 3.1 | 5.8 | 8.2 | 11.2 | 15.8 |
Difference in LOS | −0.1d | −0.2d | −0.2c | −0.3b | −0.3b | 0.5 |
Comparative LOS % Δ | −1.1% | −7.9% | −2.6% | −3.6% | −2.5% | 3.1% |
30-day Cost ($, mean) | ||||||
Focal | 28,119 | 10,919 | 17,900 | 24,561 | 33,513 | 53,701 |
Control | 28,045 | 10,935 | 17,463 | 24,691 | 34,375 | 52,760 |
Difference in Cost | 74 | −16 | 437 | −130 | −862 | 941 |
Comparative Cost % Δ | 0.3% | −0.1% | 2.5% | −0.5% | −2.5% | 1.8% |
30-day Cost without NTB Adjustment ($, mean) | ||||||
Focal | 26,747 | 10,383 | 16,865 | 23,145 | 31,732 | 51,608 |
Control | 28,585 | 11,191 | 17,899 | 25,263 | 35,061 | 53,511 |
Difference in Cost | −1,839d | −808d | −1,034c | −2,118d | −3,329d | −1,904a |
Comparative Cost % Δ | −6.4% | −7.2% | −5.8% | −8.4% | −9.5% | −3.6% |
P-value Legend:
P < 0.05,
P < 0.01,
P < 0.001,
P < 0.0001.
P-values calculated using McNemar’s test for binary outcomes and the permutational t-test for continuous outcomes.