Table 2.

Endo-PAT results among 59 metal smelter furnace workers, with paired sample t test of the difference between workday (WD) and day off (DO)

	Mean	Min–max
DO
Pulse (beats/min)a	65	43–91
Reactive hyperemia index—RHIa	1.82	1.08–3.01
LnRHIb	0.60	0.08–1.10
Baseline pulse amplitude (BPA) occluded arma	539	69–1710
Baseline pulse amplitude control arma	523	58–1634
Baseline pulse amplitude (mean of both arms)a	545	64–1612
WD
Pulse (beats/minute)a	67*	42–102
Reactive hyperemia index—RHIa	1.70	0.93–3.47
LnRHIb	0.53	− 0.08 to 1.24
Baseline pulse amplitude (BPA) occluded arma	788**	53–2552
Baseline pulse amplitude control arma	796**	103–2422
Baseline pulse amplitude (mean of both arms)a	796**	78–2487

*p < 0.05 between WD and DO

**p < 0.01 between WD and DO

^aGeometric mean (GM)

^bArithmetic mean (AM)