Table 2.

Comparison of blepharitis signs and symptoms scores at baseline and follow-up sessions in patients treated by kohl and erythromycin ointment.

Scores (mean ± S.D)	Kohl-treated eyes	Erythromycin-treated eyes	P value
Patient reported symptoms
Baseline	6.56 (2.45)	3.23 (1.73)	<0.001
Follow-up	1.35 (1.56)	1.03 (1.40)	0.002
P value∗	<0.001	<0.001
Clinical signs
Baseline	9.86 (2.95)	4.30 (2.81)	<0.001
Follow-up	2.46 (1.83)	1.83 (1.94)	0.007
P value∗	<0.001	<0.001
Mean differences of symptoms∗∗	5.20 ± 1.97	2.20 (1.54)	<0.001
Mean differences of clinical signs∗∗	7.40 (2.40)	2.46 (1.75)	<0.001

^∗ Mean difference of blepharitis-related sign/symptom score at baseline and follow-up session. ^∗∗P value of baseline and follow-up scores in each treatment groups comparison.