. 2018 Dec 20;18:333. doi: 10.1186/s12886-018-1005-x

Table 1.

Patient demographics and baseline characteristics

	Group A	Group B	p-value
Number of patients	105	33
Number of eyes	115	33
Female/Male	67/38	20/13	0.8367^a
Age (years, mean ± SD)	77.3 ± 7.3	76.3 ± 8.4	0.5303^b
VA (by eye, mean ± SD)	57.9 ± 14.9	62.4 ± 12.4	0.0850^b

^aFisher’s exact test; ^b t-test assuming unequal variances (Satterthwaite method)

Group A: eyes receiving the TE regimen for 2 years; Group B: eyes receiving the TE regimen in Year 1 and the PRN regimen in Year 2. PRN: pro re nata; SD: standard deviation; TE: treat-and-extend; VA: visual acuity