Table 3.
Multivariable linear regression with and without propensity-score matching for AVM volume.
V4Gy[cc] | V12Gy[cc] | |
---|---|---|
Beta, (95% CI), p-value | Beta, (95% CI), p-value | |
Propensity Matched Model (N=28) | R2 = 0.93 | R2 = 0.97 |
AVM Volume | 12.49, (11.07, 13.92), <0.0001 | 1.69, (1.57, 1.82), <0.0001 |
Cone treatments (versus MLC) | 1.03, (-6.58, 8.65), 0.78 | -0.94, (-1.62, 0.27), 0.008 |
Clinical Model Without Matching (N=63) | R2 = 0.83 | R2 = 0.89 |
AVM Volume | 10.99, (9.56, 12.27), <0.0001 | 1.47, (1.33, 1.62), <0.0001 |
Cone treatments (versus MLC) | −12.16, (-33.63, 9.32), 0.26 | −2.92, (-5.24, -0.60), 0.01 |