. 2015 Oct 30;15:49. doi: 10.1186/s12880-015-0083-y

Table 2.

Estimated parameters, goodness-of-fit statistics and estimated dose reduction for BGscore

Model	Coefficient						Goodness-of-fit		Dose reduction
	logCTDI		id2		id4		AIC	Pseudo R²	id2	id4
	Est.	P-value	Est.	P-value	Est.	P-value	AIC	Pseudo R²	id2	id4
regress^a	1.329	<0.001	0.129	0.001	0.183	<0.001	-	0.3645	9.26 %	12.88 %
regress^a	(1.113, 1.546)		(0.052, 0.206)		(0.107, 0.260)		-	0.3645	(4.58 %, 13.94 %)	(8.50 %, 17.26 %)
ologit^a	8.249	<0.001	0.760	0.001	1.071	<0.001	1135.11	0.3705	8.80 %	12.17 %
ologit^a	(6.766, 9.732)		(0.321, 1.200)		(0.623, 1.520)		1135.11	0.3705	(4.44 %, 13.17 %)	(8.00 %, 16.35 %)
gologit2^a	7.804	<0.001	0.883	0.001	1.431	<0.001	1190.70	0.3915	10.69 %	16.76 %
=2	(5.807, 9.801)		(0.368, 1.398)		(0.877, 1.986)				(5.18 %, 16.21 %)	(10.97 %, 22.55 %)
gologit2^a	7.842	<0.001	0.505	0.261	0.408	0.369			6.24 %	5.07 %
=3	(5.577, 10.107)		(−.376, 1.387)		(−.481, 1.298)				(−3.27 %, 15.76 %)	(−4.86 %, 15.00 %)
slogit^a	15.378	<0.001	1.337	0.001	2.036	<0.001	1124.99	0.3791	8.33 %	12.40 %
slogit^a	(12.340, 18.42)		(0.577, 2.098)		(1.246, 2.826)		1124.99	0.3791	(4.17 %, 12.48 %)	(8.30 %, 16.50 %)
mixed^b	1.329	<0.001	0.129	0.001	0.183	<0.001	1224.58	0.2207	9.26 %	12.88 %
mixed^b	(1.114,1.545)		(0.053, 0.206)		(0.107, 0.260)		1224.58	0.2207	(4.59 %, 13.93 %)	(8.51 %, 17.26 %)
meologit^b	7.806	<0.001	0.736	<0.001	1.031	<0.001	1216.93	0.2230	9.00 %	12.38 %
meologit^b	(6.733, 8.879)		(0.327, 1.146)		(.618, 1.445)		1216.93	0.2230	(4.52 %, 13.48 %)	(8.09 %, 16.67 %)

95 % confidence limits of each estimate given in parentheses

^aregression model with fixed effects only

^bregression model with fixed and random effects