Sex Differences in Peripheral Augmentation Index and Arterial Reservoir Pressure during Upper Limb Postural Shifts

Table 2

Hemodynamic parameters derived from the radial pressure waveform in men and women.

Variable	Below heart	Neutral	Above heart	Condition effect	Sex-by-condition interaction
sAIx, %
Men	39±3	43±4	50±4	0.001	0.014
Women	51±3	52±4	53±4
dAIx, %
Men	24±1	26±2	31±2	0.020	0.038
Women	22±1	22±2	22±2
𝑃1 -DBP, mmHg
Men	68±3	64±4	60±4	0.006	0.338
Women	57±3	54±4	53±4
SPTI, auc
Men	2202±75	2080±71	2024±66	<0.001	0.387
Women	2244±75	2100±71	2000±66
DPTI, auc
Men	3529±79	3219±87	3241±68	<0.001	0.024
Women	3172±79	3033±87	2742±68
𝑑𝑃/𝑑𝑡max, mmHg s^−1
Men	1079±61	1043±71	979±75	0.596	0.282
Women	883±61	872±77	908±76
Excess pressure, mmHg
Men	39±2	37±3	35±3	0.109	0.680
Women	30±2	29±3	29±3
𝜏, mmHg ms^−1
Men	187±12	172±9	161±15	0.358	0.048
Women	144±12	157±9	184±14
Ejection duration, ms
Men	321±5	323±5	323±5	0.481	0.759
Women	340±5	342±5	338±5
Heart rate, bpm
Men	63±3	63±2	62±2	0.294	0.576
Women	64±3	63±2	63±2

Data are mean ± SEM.