Table 4.

Bonferroni’s multiple-comparison test of the residual material values for each group in the two block models used

Group comparison	PCF 10		PCF 20
	95% CI of diff.	P value	95% CI of diff.	P value
DCs1 vs. DCs2	−2,018 to −861.7	0.0002*	−10,150 to −8,026	<0.0001*
DCs1 vs. DCs3	−2,898 to −1,742	0.0002*	−13,560 to −11,440	<0.0001*
DCs2 vs. DCs3	−1,458 to −301.7	0.0013*	−4,474 to −2,346	0.0002*
Ms1 vs. Ms2	−2,858 to −1,702	0.0002*	−11,120 to −8,996	0.0002*
Ms1 vs. Ms3	−5,238 to −4,082	0.0002*	−14,380 to −12,260	0.0002*
Ms2 vs. Ms3	−2,958 to −1,802	0.0002*	−4,324 to −2,196	0.0002*
DCs1 vs. Ms1	−1,498 to −341.7	0.0027*	−2,004 to 124.1	0.0009*
DCs2 vs. Ms2	−2,338 to −1,182	0.0002*	−2,974 to −845.9	0.0002*
DCs3 vs. Ms3	−3,838 to −2,682	0.0002*	−2,824 to −695.9	0.0028*

CI = confidence interval, DC = Duo Cone, diff. = difference, M = Maestro, PCF = pounds per cubic foot, s1 = sequence 1, s2 = sequence 2, s3 = sequence 3

*Statistically different