Table 2

Mean peak or trough ratings (± S.E.M.) of ARCI scales sensitive to 10 mg nalbuphine and/or 10 mg morphine (ratings correspond to saline and 10-mg doses of nalbuphine and morphine, respectively)

ScaleSalineNalbuphineMorphine
PCAG4.8  (0.6)9.6  (0.9)* 9.4  (0.7)*
BG2-a 5.0  (0.4)2.8  (0.4)* 2.9  (0.4)*
AMP2.9  (0.3)4.3  (0.3)* 4.4  (0.3)*
LSD3.3  (0.4)6.1  (0.5)* 6.3  (0.5)*
MBG3.4  (0.6)5.7  (0.7)* 4.7  (0.8)
MBG2-a 2.3  (0.6)1.4  (0.3)1.1  (0.3)*
  • * P < .05 compared with saline

  • 2-a Trough rating