Table 2.

Demographics and clinical features in this study

Parament	Non-BCL group	BCL group	P Value
Number of eyes	34	35
OD(%)	14 (41.17%)	22 (62.85%)	0.118
Female (%)	5 (14.70%)	8 (22.85%)	0.381
Age (range)	57.41 ± 11.86 (18–85)	56.34 ± 14.49 (23–80)	0.739
OSDI (0-100)	35.34 ± 16.46 (n = 33)	37.16 ± 13.54 (n = 35)	0.469
Redness score (1–4)	1.98 ± 0.67 (n = 29)	1.78 ± 0.55 (n = 28)	0.221
TMH (mm)	0.20 ± 0.08 (n = 33)	0.21 ± 0.13 (n = 34)	0.518
Meibography score	2.09 ± 1.07 (n = 33)	1.93 ± 1.09 (n = 29)	0.731
FL	1.52 ± 1.72 (n = 34)	1.57 ± 1.48 (n = 35)	0.782
NIF-BUT (s)	4.30 ± 2.92 (n = 31)	4.93 ± 3.08 (n = 35)	0.403
NIAvg-BUT (s)	5.38 ± 3.22 (n = 31)	5.39 ± 3.08 (n = 35)	0.994
F-BUT (s)	5.08 ± 3.86 (n = 34)	5.40 ± 1.91 (n = 34)	0.103
Schirmer I test	11.60 ± 7.50	11.47 ± 7.56	0.847
Dry eye severity grade (0–2)	0.76 ± 0.92	0.80 ± 0.83	0.758

OSDI Ocular Surface Disease Index; TMH tear meniscus height; FL Fluorescein staining score; NIF-BUT noninvasive first breakup time; NIAvg-BUT noninvasive average breakup time; F-BUT Fluorescein breakup time. Data are presented as means ± standard deviation (SD)