Table 1.

Comparison of baseline characteristics of subjects with and without tonometry measurements.

Characteristic	No Tonometry (n = 42)	Tonometry (n =139)	P value
Demographic parameters
Age - years Mean ± SD	47.7±11.0	49.2±11.2	0.367
% Female	43.2%	42.3%	0.921
Race			0.007
Black	60.5%	34.3%
White	39.5%	61.9%
Other	-	3.7%
Comorbidities and medication use
Tobacco use			0.272
Never smoker	77.3%	68.6%
Current/Past	22.7%	31.4%
Alcohol use			0.120
None	43.2%	29.2%
< 3 drinks	50.0%	51.1%
3–7 drinks	6.8%	14.6%
7–14 drinks	-	5.1%
Statin use	20.5%	20.6%	0.985
Antihypertensive use	43.2%	37.2%	0.480
Days/week exercise Mean±SD	1.7±2.3	1.3±1.6	0.184
BMI Mean±SD	39.4±6.7	38.6±6.4	0.475
Hemodynamic Parameters
SBP Mean±SD	129.4±12.7	127.4±10.4	0.322
DBP Mean±SD	81.3±8.29	78.6±7.19	0.044
MAP Mean±SD	100.5±9.3	98.1±7.6	0.095
Pulse Pressure Mean±SD	48.1±9.2	48.8±8.8	0.632
Heart rate Mean±SD	76.0±10.7	69.8±9.9	0.001