Table 5.

Change in MPOD for young and old subjects in Groups 1 and 2.

	Change in MPOD ± SD
	Young	Old
Group 1	0.0669 ± 0.0509	0.0723 ± 0.0447
Group 2	0.0491 ± 0.0454	0.0296 ± 0.0398
p	0.39	0.025∗