Table 1.

Baseline characteristics of trichiasis surgery patients according to whether functional status was measured at both baseline and the 6 month follow-up or was missing at either time point

	Functional Status Measured at Both Visits	Functional Status Missing at One Visit	p-value
Total Participants	93.8% (411)	6.2% (27)
Age (years), Mean (SD)	48 (14)	55 (13)	0.01
Gender, % (N)			0.65
Male	25.6% (105)	29.6% (8)
Female	74.5% (306)	70.4% (19)
Entropion, % (N)			0.07a,b
Mild	52.6% (216)	70.4% (19)
Moderate	15.6% (64)	11.1% (3)
Severe	31.9% (131)	18.5% (5)
Trichiasis Recurrence at 6 months, % (N)	1.5% (6)	N/A	N/A
Trichiasis Recurrence before 6 months % (N)	N/A	18.5% (5)	N/A
Bilateral Surgery, % (N)	80.3% (330)	74.1% (20)	0.46
Mean (SD) Baseline Physical Functioning Score	3.00 (3.02)	3.03 (2.62) c	0.98
Level of Visual Impairment d, % (N)			0.73b
Mild/No Visual Impairment	62.2% (253)	66.7% (6)
Moderate/Severe Visual Impairment	26.8% (109)	11.1% (1)
Blind	11.1% (45)	22.2% (2)

^athe moderate and severe entropion groups were collapsed prior to significance testing

^btest for trend

^cconsists of 9 people, 18 were missing baseline data

^d4 people missing baseline visual acuity data