Table-II.

Comparison of hemoglobin concentration in brain tissues between the two groups before and after treatment (x̅±s, mmol/L).

Group	No. of cases	Oxy-Hb		Deoxy-Hb
		Before treatment	After treatment	Before treatment	After treatment
Experimental group	42	0.01023±0.00091	0.01932±0.00090*	0.01002±0.00042	0.00224±0.00060*
Control group	42	0.01051±0.00093	0.01782±0.00086*	0.00928±0.00051	0.00562±0.00083*
t		1.04	4.34	0.91	3.10
P value		0.08	0.00	0.10	0.00

Note: Comparison between the same group and before treatment,

^*P<0.05.