Table 2.

Frequency of macular edema according to different variables taken into consideration.

Variable	ME+	ME−	p-value
Anterior uveitis	26	572	<0.0001
Non anterior uveitis	98	464
Retinal vasculitis	35	124	<0.0001
No retinal vasculitis	89	912
Other ocular complications	74	447	0.0005
Absence of other ocular complications	50	589
Males	56	443	0.635
Females	68	589
HLA-B*27 or HLA-B*51 positivity	11	123	0.323
HLA-B*27 or HLA-B*51 negativity	113	913

HLA, human leukocyte antigen; ME, macular edema.