Table 2.

Tolerance Intervals (TI 90%–95%) for CTD₉₀, Fridericia’s Rate-Corrected CTD₉₀ (CTD₉₀c F), Beat Rate, and Amplitude of the Calcium Transient in hSC-CMs at Each Test Site

Parameter	Site
	Ncardia		Janssen		MSD
	Lower	Upper	Lower	Upper	Lower	Upper
CTD90	−5	5	−4	4	−10	10
CTD90c F	−4	4	−3	3	−8	8
Beat rate	−8	8	−7	7	−16	16
Amplitude	−5	5	−7	7	−14	14