Table 3.

Spearman Correlation results for Inter-Readability Tool Analysis. Results given are formatted as: r value, p value, 95% confidence interval

	FRES	FKG Median (range)	GFI Median (range)	SMOG Median (range)
FRES		−0.774, p < 0.0001, 95% CI [− 0.8216 to − 0.7161]	−0.267, p < 0.0001, 95% CI [− 0.3848 to − 0.1426]	−0.355, p < 0.0001, 95% CI [− 0.4646 to − 0.2364]
FKG	−0.774, p < 0.0001, 95% CI [− 0.8216 to − 0.7161]		0.728, p < 0.0001, 95% CI [0.6613 to 0.7846]	0.791, p < 0.0001, 95% CI [0.7373 to 0.8357]
GFI	−0.267, p < 0.0001, 95% CI [− 0.3848 to − 0.1426]	0.728, p < 0.0001, 95% CI [0.6613 to 0.7846]		0.909, p < 0.0001, 95% CI [0.8842 to 0.9298]
SMOG	−0.355, p < 0.0001, 95% CI [− 0.4646 to − 0.2364]	0.791, p < 0.0001, 95% CI [0.7373 to 0.8357]	0.909, p < 0.0001, 95% CI [0.8842 to 0.9298]