Parameter | Univariate Linear Regression | Multivariate Linear Regression |
---|---|---|
Coefficient (95% CI) | Coefficient (95% CI) | |
Sex | ||
Male | Ref | Ref |
Female | − 4793.44 (− 7584.94, − 2001.94) | − 2340.85 (− 4312.12, − 369.58) |
Number of procedures | ||
0 | Ref | Ref |
1 | 3344.03 (2042.37, 4645.70) | 3223.95 (1897.39, 4550.51) |
2 | 6596.94 (4816.48, 8377.40) | 6279.02 (4461.27, 8096.77) |
3 | 12,812.03 (8496.11, 17,127.95) | 12,350.53 (8051.73, 16,649.33) |
4 | 11,231.55 (8307.02, 14,156.09) | 10,726.96 (7825.13, 13,628.79) |
5 | 14,661.62 (9100.61, 20,222.63) | 13,452.02 (7949.11, 18,954.93) |
6 | 30,944.28 (19,663.22, 42,225.33) | 29,557.91 (18,505.43, 40,610.40) |
7 + | 57,907.32 (39,326.48, 76,488.17) | 55,684.24 (37,486.24, 73,882.25) |
Number of comorbidities | ||
0 | Ref | Ref |
1–2 | 3362.38 (1112.09, 5612.67) | 2865.29 (632.83, 5097.75) |
3 + | 9697.50 (7447.33, 11,947.67) | 4759.30 (2120.37, 7398.24) |
Congestive heart failure | ||
No | Ref | Ref |
Yes | 8941.26 (4059.18, 13,823.33) | 4611.69 (1113.74, 8109.64) |
Hypertension | ||
No | Ref | Ref |
Yes | − 788.90 (− 3561.97, 1984.18) | − 2526.54 (− 4987.84, − 65.24) |