Table 2.

A summary of statistically significant regression analyses as reported in reviewed research

Capacity function	Author (year)	Patient sample	Statistical analysis	Cognitive test	Statistic/significance
Appreciation	Triebel et al. [18]	Malignant glioma	Stepwise regression	HVLT-RDI Animal fluency	R2 = 0.50*** R2 = 0.58*
	Marson et al. [30]	Malignant glioma	Stepwise regression	Animal fluency	R2 = 0.62***
Reasoning	Triebal et al. [18]	Malignant glioma	Stepwise regression	HVLT trials 1–3	R2 = 0.36***
	Marson et al. [30]	Malignant glioma	Stepwise regression	Letter fluency	R2 = 0.34**
	Gerstenecker et al. [32••]	Brain metastases	Linear regression	HVLT delayed and TMT A	R2 = 0.18*
Understanding	Triebal et al. [18]	Malignant glioma	Stepwise regression	HVLT trials 1–3 Animal fluency Trial B	R2 = 0.68*** R2 = 0.75* r = − 0.79**
	Marson et al. [30]	Malignant glioma	Stepwise regression	Letter fluency Animal fluency	R2 = 0.64*** R2 = 0.73***
	Gerstenecker et al. [31••]	Brain metastases	Stepwise regression	HVLT total HVLT total and phonemic fluency	R2 = 0.58*** R2 = 0.68***

Significance levels: *p ≤ .05, **p ≤ .01, ***p ≤ .001

All R² reported are cumulative, not adjusted