. 2016 Dec 1;33(23):2133–2146. doi: 10.1089/neu.2015.4267

Table 1B.

Associations Between HITS Metrics and Changes in DKI-Derived Metrics in WHOLE BRAIN (± SD 2.0)

	Without covariate adjustment		Covariate adjustment for age, BMI, and time between scans
	R²	p value	Adjusted R²	Covariate-adjusted R²	p value
MK vs. RWE_CP	0.0397	0.3507	0.6598	0.4572	< 0.0001^*
K axial vs. RWE_CP	0.0578	0.2577	0.6284	0.4712	0.0001^*
K radial vs. RWE_CP	0.0302	0.4169	0.5933	0.3760	0.0002^*
MK vs. RWE_Linear	0.0038	0.7738	0.6079	0.3745	0.0002^*
K axial vs. RWE_Linear	0.0109	0.6267	0.5732	0.3926	0.0004^*
K radial vs. RWE_Linear	0.0015	0.8580	0.5508	0.3108	0.0006^*
MK vs. RWE_Rotational	0.0591	0.2523	0.5014	0.2045	0.0014^*
K axial vs. RWE_Rotational	0.0397	0.3503	0.4019	0.1487	0.0072^*
K radial vs. RWE_Rotational	0.0552	0.2691	0.4811	0.2039	0.0021^*
MK vs. total impacts	0.0066	0.7055	0.5297	0.2497	0.0009^*
K axial vs. total impacts	0.0116	0.6166	0.4770	0.2557	0.0022^*
K radial vs. total impacts	0.0051	0.7402	0.5023	0.2364	0.0014^*
MK vs. summed linear acceleration	0.0051	0.7405	0.5466	0.4444	0.0006^*
K axial vs. summed linear acceleration	0.0099	0.6430	0.4977	0.4482	0.0015^*
K radial vs. summed linear acceleration	0.0031	0.7949	0.5112	0.413935	0.0012^*
MK vs. summed rotational acceleration	0.0103	0.6373	0.5548	0.4456	0.0005^*
K axial vs. summed rotational acceleration	0.0165	0.5502	0.5063	0.4517	0.0013^*
K radial vs. summed rotational acceleration	0.0071	0.6961	0.5169	0.4141	0.0011^*

^{^*}

p < 0.05. Bold p values.

HITS, Head Impact Telemetry System; DKI, diffusional kurtosis imaging; SD, standard deviation; BMI, body mass index; MK, mean kurtosis; RWEcp, Risk Weighted Cumulative Exposure combined probability; K axial, axial kurtosis; K radial, radial kurtosis.