Table:
Disease group	No. of patients	Age (years); mean ± SE	Gender
Male	Female
Dry AMD	5	80 ± 7	1	4
nAMD	11	80 ± 5	4	7
PDR	9	59 ± 2	4	5
ERM	11	71 ± 4	5	6

Convert the illustration into Markdown format.

| <ROWSPAN=2> Disease group | <ROWSPAN=2> No. of patients | <ROWSPAN=2> Age (years); mean ± SE | <COLSPAN=2> Gender | 
 | Male | Female | 
 | --- | --- | --- | --- | --- | 
 | Dry AMD | 5 | 80 ± 7 | 1 | 4 | 
 | nAMD | 11 | 80 ± 5 | 4 | 7 | 
 | PDR | 9 | 59 ± 2 | 4 | 5 | 
 | ERM | 11 | 71 ± 4 | 5 | 6 |