Table 1.

Statistical tests

Source		Data structure	Type of test	Power or [25%, 75%]
Fig. 2	I max	Normal	Two-way RM ANOVA	Sign: 1
				Speed: 1
				Interaction: 1
Fig. 2	V Imax	Non-normal	Two-way RM ANOVA	Sign: 0.05
				Speed: 1
				Interaction: 0.808
Fig. 3	Steady/initial state	Normal	RM ANOVA	0.999
Fig. 3	τ	Non-normal	ANOVA on ranks	100 mV/s: [3.3, 16.55]
				200 mV/s: [3.7, 11.98]
				400 mV/s: [3.15, 3.93]
Fig. 4	I max	Normal	Two-way RM ANOVA	Sign: 0.622
				Speed: 0.067
				Interaction: 0.449
Fig. 4	V Imax	Normal	Two-way RM ANOVA	Sign: 0.452
				Speed: 0.333
				Interaction: 0.05
Fig. 5	I max	Normal	RM ANOVA	1
Fig. 5	φImax	Normal	RM ANOVA	0.998
Fig. 7	I max	Normal	Two-way RM ANOVA	Sign: 0.05
				Speed: 0.05
				Interaction: 0.089
Fig. 7	V Imax	Normal	Two-way RM ANOVA	Sign: 0.878
				Speed: 0.05
				Interaction: 0.05
Fig. 8	I max	Normal	Two-way RM ANOVA	Sign: 0.709
				Speed: 0.996
				Interaction: 0.672
Fig. 8	V Imax	Normal	Two-way RM ANOVA	Sign: 0.379
				Speed: 0.206
				Interaction: 0.543
Fig. 8	Cd2+ slopes	Non-normal	Two-way ANOVA	Sign: 0.05
				Saline: 0.351
				Interaction: 0.068
Fig. 8	I Proc(max)	Normal	Two-way RM ANOVA	State: 0.465
				Speed: 0.446
				Interaction: 0.232