TABLE 2.

hES2-hvCAS Calcium Transient (CaT) Parameters in acute hypokalaemia. Data analysis was performed for 1.5 Hz electrical stimulation recordings.

Parameters		Sample	Median	Lower 95% CI	Upper 95% CI	N	p Value
(a) Amplitude (ΔF represents the change in fluorescence intensity)		NormoK	0.861	0.707	1.16	12	*** < 0.001
		hypoK	1.37	1.28	1.5	13
(b) CaT Duration (CaTDx) (Time duration in millisecond from the peak fluorescence intensity to the corresponding fluorescence decay intervals)	x
	30%	NormoK	141	129	153	11	** = 0.001
		hypoK	161	150	170	10
	50%	NormoK	223	213	235	11	** = 0.003
		hypoK	242	232	252	10
	70%	NormoK	292	285	311	11	* = 0.009
		hypoK	318	306	330	10
	90%	NormoK	379	358	392	11	** = 0.002
		hypoK	403	393	416	10
(c) Time-to-peak/Activation Latency (Time duration in millisecond from the start of the rise of the fluorescence intensity to the peak fluorescence intensity)		NormoK	141	129	150	12	* = 0.045
		hypoK	153	143	158	11
(d) Upstroke Velocity (ΔF/millisecond; ΔF represents the change in fluorescence intensity)		NormoK	0.00498	0.00456	0.00569	11	*** < 0.001
		hypoK	0.00801	0.0073	0.00923	10

NormoK, normokalaemia; hypoK, hypokalaemia.