Table 2.

Coefficients of determination (r²) for associations between low frequency oscillations in systolic arterial pressure (SAP_LF) and muscle sympathetic nerve activity (MSNA) and its oscillations (MSNA_LF) during LBNP for each individual subject

	Mean ± SEM	Range
Linear fit (n = 20)
MSNA (b min−1) vs. SAPLF	0.52 ± 0.07	1.62 × 10−6–0.98
Total MSNA (au) vs. SAPLF	0.54 ± 0.07	8.03 × 10−4–0.94
MSNALFvs. SAPLF	0.63 ± 0.07	7.87 × 10−6–0.99
Quadratic Fit (n = 18)
MSNA (b min−1) vs. SAPLF	0.67 ± 0.06	0.09–0.99
Total MSNA (au) vs. SAPLF	0.67 ± 0.07	0.09–0.96
MSNALFvs. SAPLF	0.72 ± 0.07	0.06–1.0