Table 2

The Spearman correlation tests among the dosage and concentration of RSP, 9-HR, the sum of two drugs in hair and the respective serum concentration (n=34)

Serum
RSP (ng/mL)9-HR
(ng/mL)
Sum of RSP and 9-HR (ng/mL)
Hair
RSP (ng/mg)r0.440*0.1560.234
p0.0090.3800.182
9-HR (ng/mg)r0.190−0.217−0.0171
p0.2820.2170.335
Sum of RSP and 9-HR (ng/mg)r0.469*0.1350.227
p0.0050.4460.196
  • *p<0.001 (two-tailed test).

  • 9-HR, 9-hydroxyrisperidone; RSP, risperidone.