TABLE 2.

Summary of autonomic test data in controls and ASD.

Groups	Autonomic domain	Baseline	Isometric exercise	Cold pressor	Mental arithmetic	Head up tilt
Healthy controls	Heart rate (BPM)	63 ± 8.49	77 ± 10.24	61 ± 8.97	62 ± 8.11	78 ± 8.99
	SBP (mmHg)	122 ± 12.49	146 ± 13.26	133 ± 17.35	118 ± 10.62	116 ± 16.51
	DBP (mmHg)	66 ± 5.84	88 ± 9.93	61 ± 8.97	65 ± 9.08	69 ± 10.31
Autism spectrum disorder	Heart rate (BPM)	77 ± 14.66*	87 ± 17.27*	79 ± 16.52*	81 ± 13.07*	99 ± 16.46*
	SBP (mmHg)	118 ± 11.02	132 ± 45*	126 ± 10.72*	118 ± 10.55*	118 ± 12.5*
	DBP (mmHg)	69 ± 8.37	78 ± 7.17*	75 ± 7.12	70 ± 9.48	74 ± 8.11

(± 1 SD), Descriptive statistics are presented as mean; HR, heart rate (bpm); SBP, systolic blood pressure (mmHg), DBP, diastolic blood pressure (mmHg). Significant difference in ASD from controls indicated by*. The bold values refer to significant findings.