Table:
Vitamin D level at	Group	p-value
Metformin	Metformin + Vitamin D
Baseline	17.09±1.73	16.49±1.56	0.053
1st visit	0	23.53±3.16	NA
2nd visit	0	29.04±3.96	NA
p-value	NA	0.000

Render the figure in Markdown format.

| <ROWSPAN=3> Vitamin D level at | <COLSPAN=2> Group | <ROWSPAN=3> p-value | 
 | Metformin | Metformin + Vitamin D | 
 | --- | --- | --- | --- | 
 | Baseline | 17.09±1.73 | 16.49±1.56 | 0.053 | 
 | 1st visit | 0 | 23.53±3.16 | NA | 
 | 2nd visit | 0 | 29.04±3.96 | NA | 
 | p-value | NA | 0.000 |  |