Table 3.

Sensitivity and specificity of biochemical tests used in the diagnosis of pediatric pheochromocytoma.

Biochemical test	Sensitivity (%)	Specificity (%)
Plasma normetanephrine and metanephrine	100	94
Plasma norepinephrine and epinephrine	92	91
Urinary normetanephrine and metanephrine	100	95
Urinary norepinephrine and epinephrine	100	83
Urinary vanillylmandelic acid	63–75a	94a

Adapted from Weise et al. (48), Ludwig et al. (17), and Pacak et al. (50).

^aSensitivity of 75% was from a pediatric series (17); sensitivity of 63% and specificity of 94% were from adult data (50).