Table 1

Mean peak or trough ratings (± S.E.M.) of ARCI scales sensitive to 30 mg of pentazocine and/or 10 mg of morphine (ratings correspond to saline, pentazocine and morphine, respectively)

ScaleSalinePentazocineMorphine
PCAG4.6  (0.6)9.2  (0.6)1-150 8.9  (0.6)1-150
BG1-a 4.8  (0.3)2.4  (0.3)1-150 2.9  (0.5)1-150
AMP2.4  (0.3)3.3  (0.4)1-150 3.3  (0.3)1-150
LSD3.8  (0.2)7.1  (0.5)1-150†5.2  (0.3)1-150

  • ↵1-150  P < .05 compared with saline.

  • † Pentazocine score significantly different from morphine score.

  • ↵1-a Trough rating.