Conbercept combined with laser photocoagulation in the treatment of diabetic macular edema and its influence on intraocular cytokines

Table 4 Before and after central macular thickness treatment

Group	Number of cases	CMT (μm)
		Prior treatment	One month of treatment	Three months of treatment	Treatment for 6 mo
Control group	65	360.60 ± 41.62	307.32 ± 39.421	270.38 ± 34.671,2	236.71 ± 32.311,2,3
Observation group	65	357.63 ± 42.51	249.31 ± 36.211	221.62 ± 31.621,2	183.26 ± 33.321,2,3
t value		0.493	8.949	8.611	9.175
P value		0.623	< 0.001	< 0.001	< 0.001

¹Indicates the intra-group comparison with that before treatment, P < 0.05.

²Indicates that compared with 1 mo after treatment, P < 0.05.

³Indicates intra-group comparison with 3-mo treatment, P < 0.05.

CMT: Central macular thickness.