Table 1.

Analysis of photoreceptor cell rescue by encapsulated fibroblasts

Experimental treatment	n	Exposure, days	Rescued area, mm2†	SEM	Maximal area, mm2	Minimal area, mm2
Treatment 1. Microcapsules with FGF18s	9	90	0.95∗	0.22	1.85	0.33
Treatment 2. Microcapsules with P16s	6	90	0.025	0.03	0.15	0.00
Treatment 3. Without microcapsules	4	90	0.00	0.00	0.00	0.00
Treatment 4. Microcapsules with FGF18s	10	45	2.08∗∗	0.72	4.10	0.64
Treatment 5. Microcapsules with P16s	6	45	0.083	0.041	0.20	0.00
Treatment 6. Without microcapsules	4	45	0.00	0.00	0.00	0.00

^†Area of the retina with more than four photoreceptor cell rows. 

^*, P = 0.001 (Treatment 1 vs. Treatment 2 and Treatment 1 vs. Treatment 3); ∗∗, P = 0.002 (Treatment 4 vs. Treatment 5); Mann–Whitney U test.