Table 5.

Pearson correlation coefficients between G tolerance and cardiac function.

Variables			RGTa		SGTb		SBPc		DBPd		HRe		RCFIf		WCFIg		CFRh
RGT
	r	1		.535		.149		.127		–.187		.087		.234		–.025
	P value	—		<.001		.03		.07		.006		.20		.001		.72
SGT
	r	.535		1		.167		.199		–.111		.124		.256		–.048
	P value	<.001		—		.02		.01		.11		.07		<.001		.49
SBP
	r	.149		.167		1		.519		.181		–.034		.245		.068
	P value	.03		.02		—		<.001		.008		.62		<.001		.07
DBP
	r	.127		.199		.519		1		.372		–.020		.091		.060
	P value	.07		.01		<.001		—		<.001		.78		.19		.38
HR
	r	–.187		–.111		.181		.372		1		–.310		–.337		.203
	P value	.006		.11		.008		<.001		—		<.001		<.001		.003
RCFI
	r	.087		.124		–.034		–.020		–.310		1		.329		–.724
	P value	.20		.07		.62		.78		<.001		—		<.001		<.001
WCFI
	r	.234		.256		.245		.091		–.337		.329		1		.177
	P value	.001		<.001		<.001		.19		<.001		<.001		—		.009
CFR
	r	–.025		–.048		.068		.060		.203		–.724		.177		1
	P value	.72		.49		.07		.38		.003		<.001		.009		—

^aRGT: relaxed G tolerance.

^bSGT: straining G tolerance.

^cSBP: systolic blood pressure.

^dDBP: diastolic blood pressure.

^eHR: heart rate.

^fRCFI: resting cardiac force index.

^gWCFI: walking cardiac force index.

^hCFR: cardiac force ratio.