Table 3.

Univariate Associations and Multivariate Logistic Regression Models for Various Factors and any TT and Major TT at 4 Years after Surgery

Variable	Any TT at 4 Years			Major TT at 4 Years
	OR	95% CI	P	OR	95% CI	P
Univariate analysis
Sex, male	1.96	1.11–3.47	0.021	0.93	0.40–2.16	0.87
Age 60+ years at baseline	1.41	0.85–2.35	0.18	2.64	1.29–5.38	0.008
Severe TT (10+ lashes) at baseline	2.15	1.31–3.54	0.003	13.56	4.04–45.49	<0.001
Bacterial infection at baseline	1.15	0.67–1.97	0.62	2.53	1.23–5.20	0.011
Bacterial infection at 1 year	1.86	0.93–3.69	0.078	5.17	2.34–11.45	<0.001
Conjunctival inflammation at 4 years*
P1	1.41	0.72–2.77	0.32	6.64	0.84–52.66	0.073
P2	4.00	1.87–8.56	<0.001	13.33	1.65–107.73	0.015
P3	10.73	3.47–33.21	<0.001	89.6	10.59–758.06	<0.001
Multivariate logistic regression model
Sex (male)	1.83	0.98–3.42	0.060	0.51	0.17–1.54	0.23
Severe TT (10+ lashes) at baseline	2.16	1.26–3.71	0.005	14.04	3.90–50.55	<0.001
Conjunctival inflammation at 4 years*
P1	1.40	0.70–2.78	0.34	7.56	0.93–61.34	0.058
P2	4.08	1.87–8.88	<0.001	16.67	1.99–139.67	0.009
P3	8.77	2.76–27.81	<0.001	108.95	11.61–1022.13	<0.001

Major TT is more than five ingrowing lashes.

^*Relative to P0.