Table 3.

Generalized estimation equation for kidney meridians KI 1 and governing vessel GV 16 superoxide concentrations after the indicated grounding period (study and control groups) (×10⁻¹⁵ mole).

			95% Wald Confidence Interval		Hypothesis Test
	B	Standard Error	Lower	Upper	Wald Chi Square	df	Sig.
Group
Control	0
Grounding	−51.477	78.0101	−204.374	101.420	0.435	1	0.509
Acupoint electrochemical signals
Kidney Meridians KI 1	0
Governing Vessel GV 16	16.654	54.6064	−90.373	123.680	0.093	1	0.760
Time
Baseline	0
12 weeks	−136.189	73.9816	−281.1191	8.812	3.389	1	0.066