Table 5.

The effect of clinical and environmental factors on OST at the different ocular surface regions.

Dependent Variable: OST at the Medial Canthal Region (R² = 0.5)
Variable	Unstandardized Coefficients (B)	Standardized Coefficients (Beta)	p-Value
Room temperature (°C)	0.32	0.48	<0.01
Maximal HR (bpm)	0.02	0.25	<0.01
IHD	1.31	0.21	<0.01
Body temperature (°C)	1.02	0.19	0.02
LDL (mg/dL)	0.01	0.17	0.04
Dependent variable: OST at the central corneal region (R² = 0.5)
Variable	B	Beta	p-Value
Room temperature (°C)	0.34	0.51	<0.01
Maximal HR (bpm)	0.02	0.29	<0.01
IHD	1.48	0.24	<0.01
Dependent variable: OST at the lateral canthal region (R² = 0.5)
Variable	B	Beta	p-Value
Room temperature (°C)	0.31	0.48	0.01
Maximal HR (bpm)	0.02	0.22	<0.01
IHD	1.30	0.22	<0.01
Body temperature (°C)	1.01	0.2	0.02
LDL (mg/dL)	0.01	0.18	<0.01

Multiple linear regression models stepwise method are presented. Abbreviations: IHD, ischemic heart disease; HR, heart rate.