Table 2.

Univariate linear mixed regression model results for the association of temperature with visual acuity

Outcome	LASIK				LASEK
	Estimate (per 1°F increase in temperature)	95% CI		P-value	Estimate (per 1°F increase in temperature)	95% CI		P-value
		Lower	Upper			Lower	Upper
logMAR UDVA
POD1	−0.0039	−0.0106	0.0028	0.255	−0.0083	−0.0318	0.0152	0.484
POW1	0.0014	−0.0042	0.0070	0.612	−0.0039	−0.0203	0.0125	0.634
POM1	−0.0005	−0.0070	0.0059	0.873	0.0013	−0.0118	0.0144	0.842
POM3	−0.0005	−0.0086	0.0075	0.895	0.0086	−0.0084	0.0255	0.314
POM6	−0.0014	−0.0165	0.0138	0.858	0.0067	−0.0084	0.0218	0.372
POY1	−0.0009	−0.0116	0.0098	0.868	0.0040	−0.0087	0.0167	0.512
logMAR CDVA
POD1	−0.0065	−0.0163	0.0032	0.185	−0.0274	−0.0433	−0.0116	0.001
POW1	−0.0019	−0.0082	0.0044	0.554	−0.0099	−0.0331	0.0132	0.389
POM1	−0.0030	−0.0094	0.0033	0.345	−0.0102	−0.0210	0.0007	0.065
POM3	−0.0033	−0.0104	0.0037	0.350	−0.0048	−0.0200	0.0104	0.515
POM6	−0.0001	−0.0085	0.0084	0.987	Not enough data for model to run
POY1	0.0006	−0.0188	0.0201	0.946	Not enough data for model to run

Note: The value shown in bold reflects a P-value that is significant (P<0.05).

Abbreviations: CDVA, corrected distance visual acuity; CI, confidence interval; LASEK, laser-assisted keratomileusis; LASIK, laser in situ keratomileusis; POD1, postoperative day 1; POW1, postoperative week 1; POM1, postoperative month 1; POM3, postoperative month 3; POM6, postoperative month 6; POY1, postoperative year 1; UDVA, uncorrected distance visual acuity.