Difference	MSG (Group I) n = 25		HPA (Group II) n = 25		MWU	P-value
Difference	Mean ± SD	Mean Rank	Mean ± SD	Mean Rank	MWU	P-value
Baseline vs 8 hrs	0.88 ± 0.781	28.48	0.44 ± 0.660	21.56	214	0.036*
Baseline vs 16 hrs	1.56 ± 0.711	29.24	1.04 ± 0.734	20.76	194	0.012*
Baseline vs 24 hrs	2.32 ± 0.748	30.76	1.52 ± 0.714	18.88	147	0.001*
Baseline vs 32 hrs	2.88 ± 0.665	30.80	2.08 ± 0.702	18.60	140	<0.001*
Baseline vs 40 hrs	3.12 ± 0.725	30.34	2.4 ± 0.577	19.14	53	0.001*
Baseline vs 48 hrs	3.24 ± 0.723	28.94	2.72 ± 0.678	19.65	196.5	0.014*