Table 4.

Linear regression statistics, Spearman's rank correlation coefficient and P-value statistics indicating the relationship between the overall percentage shrinkage of the tissue and each of the variables independent of the other variables investigated

Regression series	R rank	P-value	RMA slope (a)	95% confidence interval	b
% of original skeletal muscle vol. vs. original vol.	0.21	*	444.55	520.2 to 387.4	19.634
% of original skeletal muscle vol. vs. I2KI conc.	−0.82	***	−2.6412	−2.434 to −2.864	83.763
% of original skeletal muscle vol. vs. time	−0.23	**	−3.4322	−2.974 to −3.892	79.265
% of original cardiac muscle vol. vs. original vol.	0.74	***	1980.5	2377 to 1443	−98.57
% of original cardiac muscle vol. vs. I2KI conc.	−0.90	***	−2.9187	−2.32 to −3.568	89.087
% of original cardiac muscle vol. vs. time	−0.36	ns	−3.7929	4.306 to −5.738	84.116
% of original cerebellum vol. vs. original vol.	0.28	ns	713.94	1413 to −936.4	33.034
% of original cerebellum vol. vs. I2KI conc.	−0.84	***	−1.9077	−1.32 to −2.624	84.712
% of original cerebellum vol. vs. time	−0.38	ns	−2.479	2.175 to −4.033	81.463

R-rank gives the strength of correlation between the variables (± 1 reflects a strong correlation, 0 reflects a weak correlation). P-values indicate the significance of this correlation (P < 0.05 is significant). a and b values represent coefficients for constructing a corrective formula in the format y=ax+b.