Table 5.

Conjunctival Gene Expression Levels 1 Year after Surgery by Bacterial Infection Status^*

Gene	Uninfected (n = 206)			P‡	Bacterial Infection (n = 33)
	Mean†	95% CI	Median		Mean†	95% CI	Median
TNF	1.58	0.82–2.34	0.60	0.0028	2.54	1.29–3.80	0.77
IL1B	0.77	0.32–1.22	0.12	0.0002	0.96	0.43–1.49	0.34
MMP-1	2.72	1.58–3.86	0.41	0.0087	0.62	0.15–1.08	0.19
MMP-2	0.07	0.02–0.12	0.02	0.37	0.05	0.03–0.06	0.04
MMP-9	0.23	0.19–0.27	0.15	<0.0001	0.99	0.45–1.53	0.65
TIMP-1	15.89	12.4–19.4	6.81	0.084	9.11	5.53–12.7	5.23
TIMP-2	4.96	4.46–5.46	3.91	0.83	5.70	3.93–7.47	4.88
MMP-1/TIMP-1	0.10	0.10–0.15	0.07	0.029	0.07	0.04–0.11	0.04

^*Conjunctival gene expression level of the gene of interest is expressed as a ratio to the HPRT-1 expression level in the same sample.

^†Arithmetic mean of untransformed response.

^‡Interval regression, with P-values adjusted for age, sex, and ethnicity.