Modulation of Cardiac Autonomic Dysfunction in Ischemic Stroke following Ayurveda (Indian System of Medicine) Treatment

Table 2

Comparison of heart rate variability (HRV) measures between healthy controls and ischemic stroke patients.

HRV variables	Controls (𝑛=30)	Patients (𝑛=38)	𝑃 value
NN interval (ms)	869.96±23.15	795.67±16.22	0.009**
HR (bpm)	70.44±1.88	76.08±1.61	0.026*
SDNN (ms)	48.01±3.42	36.47±2.25	0.004**
RMSSD (ms)	38.06±4.13	28.00±2.80	0.027*
TP (ms^2)	2489.00±337.06	1286.63±148.50	0.000***
LF (ms^2)	527.16±62.53	290.11±34.87	0.001**
LFnu	44.92±2.71	49.01±3.13	0.481
HF (ms^2)	812.62±196.77	364.71±90.81	0.005**
HFnu	49.18±2.61	41.87±3.30	0.042*
Sympathovagal balance	1.09±0.13	1.66±0.20	0.043*

NN: R-R interval (ms); HR: heart rate (bpm: beats per minute); SDNN: standard deviation of NN intervals (ms); RMSSD: square root of the mean of the sum of squares of differences between adjacent NN intervals (ms); TP: total power (ms²); LF: low frequency power (ms²); HF: high frequency power (ms²); nu: normalized units; SVB: sympathovagal balance; values expressed as mean ± SEM; ^∗𝑃<0.05, ^∗∗𝑃<0.01, ^∗∗∗𝑃<0.001.