Table 7:

Comparison of Mount and Hume level at 6–12 months in group I

	Mean	N	SD	Mean difference	Z-value	p-value
Level at 6 months	1.61	31	0.615	−0.290	−3.000b	0.003*
Level at 12 months	1.90	31	0.651

N, number of samples; SD, standard deviation; SE, standard error; *(p < 0.05) analyzed using Mann–Whitney U test