Observation and assessment of the immediate use of a silicon hydrogel contact lens after transepithelial corneal cross linking: a prospective study

Table 4 Comparison of pain scores between the two groups (Mean ± sd, N = 60)

Time after Surgery	Group		P		Time effect	Group effect	Group * time effect
Time after Surgery	A(7)	B(3)	P		Time effect	Group effect	Group * time effect
Post-op 1d	0.60 ± 0.81	0.35 ± 0.60	0.34		-	-	-
Post-op 3d	0.17 ± 0.33	0.15 ± 0.26	0.82		-	-	-
Post-op 5d	0.06 ± 0.16^ab	0.04 ± 0.14^a	0.64	F	10.06	2.10	1.88
Post-op 7d	0.12 ± 0.29^abc	0.01 ± 0.40^a	0.04	P	< 0.001	0.15	0.15

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