. Author manuscript; available in PMC: 2012 May 1.

Published in final edited form as: Am J Ophthalmol. 2011 Feb 17;151(5):850–857. doi: 10.1016/j.ajo.2010.10.039

Table 4.

Mean physical functioning score of trichiasis surgery patients at baseline and six months after surgery, by level of baseline visual impairment

	Mean (SD) Score of Physical Functioning		Change in Mean (SD) Score of Physical Functioning ^b, ^c
	Baseline^a	6 months	Change in Mean (SD) Score of Physical Functioning ^b, ^c
Baseline Level of Visual Impairment
Mild/No Visual Impairment	3.93 (2.39)	5.58 (1.02)	1.66 (0.14)
Moderate/Severe Visual	2.46 (2.91)	5.02 (1.38)	2.56 (0.27)
Blind	−0.93 (3.11)	2.37 (2.36)	3.30 (0.52)

4 people missing baseline vision data

A positive change score indicates improvement in physical functioning

All change scores were statistically significantly different from zero (p<0.0001 by paired t-test)