Table 4.

Distribution of catecholamines according to the blood pressure levels.

Catecholamine levels	Hypertensives (38)	Normotensives (44)	P value
UE (μg/d)	12.82 (± 10.41)	4.25 (± 2.58)	< 0.001
UNE (μg/d)	93.23 (± 63.52)	22.17 (± 13.76)	< 0.001
PE (pg/mL)	51.41 (± 45.82)	44.70 (± 27.14)	> 0.05
PNE (pg/mL)	172.24 (± 104.29)	149.23 (± 35.18)	> 0.05

PE: plasma epinephrine, PNE: plasma norepinephrine, UE: urine epinephrine, UNE: urine norepinephrine.

Data are presented as mean (± standard deviation [SD]).