Table 4.

Corneal esthesiometry: percentage improvement vs baseline

	Cit-B12	Placebo	P
Month 4	73% ± 79% (+ 317%; − 17%)	5% ± 11% (+ 27%; − 14%)	0.001
Month 8	143% ± 142% (+ 533%; − 31%)	44% ± 76% (+ 219%; − 18%)	0.02
Month 12	135% ± 115% (+ 338%; − 24%)	39% ± 82% (+ 244%; − 27%)	0.01
Month 18	153% ± 121% (+ 362%; − 27%)	44% ± 78% (+ 231%; − 37%)	0.007