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. Author manuscript; available in PMC: 2005 Dec 6.
Published in final edited form as: Radiology. 2005 Apr 15;235(3):1036–1044. doi: 10.1148/radiol.2353032071

TABLE 2.

Summary Statistics of Biases and Absolute Biases of SH and CA Methods

Measure and Summary Statistics SH CA
Bias (%)
 Range −11.5 to 15.3 −12.1 to 46.7
 Median 6.3 7.3
 Mean ± SD* 4.0 ± 9.0 7.4 ± 16.3
Absolute bias (%)
 Range 3.5 to 15.3 0.5 to 46.7
 Median 7.3 8.0
 Mean ± SD* 8.7 ± 4.1 12.4 ± 12.4

Note.—SD ± standard deviation.

*

P = .04 and P = .001 from the test of equal variances of the biases and absolute biases of the SH and CA methods, respectively.