Simple surgical punctal occlusion with high frequency radiowave electrosurgery

BMC Ophthalmology

Table 5 Comparison of ocular surface indices change between the two groups

	-	SSDE	NSDE	P value
TBUT(sec)	Median (IQR)	1.65 (0.18, 2.83)	2 (0, 6)	0.477^*
Corneal staining(grade)	Mean ± SD	-2.7 ± 1.34	-2.46 ± 1.86	0.672^†
Schirmer test(mm)	Median (IQR)	3.5 (2.25, 5)	4 (1, 6)	0.573^*

NSDE Non-Sjögren’s syndrome dry eye, SSDE Sjögren’s syndrome dry eye, TBUT Tear break-up time
^*P values were from the Wilcoxon rank sum test
^†P values were from independent t-test

ISSN: 1471-2415