Clinical and biochemical assessment of the effect of topical use of coenzyme Q10 versus topical corticosteroid in management of symptomatic oral lichen planus: randomized controlled clinical trial

Table 4 Mean and standard deviation of lesion size in (Thongprasom scale) in both groups and different follow-up intervals

Follow-up intervals	Lesion size in thongprasom scale (Mean ± SD)		P-value
Follow-up intervals	Intervention	Control	P-value
Week	3.02 ± 0.87^A	3.43 ± 0.74^A	0.148 ns
2 weeks	2.64 ± 0.79^AB	2.86 ± 0.79^B	0.410 ns
3 weeks	2.18 ± 0.56^B	2.09 ± 0.80^C	0.692 ns
4 weeks	1.37 ± 0.74^C	1.21 ± 0.90^D	0.564 ns
P-value	< 0.001*	< 0.001*

Different superscript letters within the same column indicate a statistically significant difference*; significant (p ≤ 0.05) ns nonsignificant (p > 0.05)

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