BMC Clinical Pharmacology

Table 1 Baseline characteristics

From: Pharmacokinetic investigation of dose proportionality with a 24-hour controlled-release formulation of hydromorphone

Characteristic	All Participants (n= 32)
Sex, n (%)
Male	20 (62.5)
Female	12 (37.5)
Race, n (%)
Caucasian	26 (81.3)
Asian	3 (9.4)
Black	1 (3.1)
Hispanic	1 (3.1)
American Indian	1 (3.1)
Age (years)
Mean	33
Range	20–50
Height (cm)
Mean	175
Range	163–191
Weight (kg)
Mean	76.4
Range	61.4–96.4

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