Post hoc analyses for sex/drug interaction
There were no significant statistical differences between females and males in the active treatment groups for the primary variable SPI. However, an interesting numerical difference supported by a statistical trend was found between sexes in the codeine containing paracetamol 1000 mg/codeine 60 mg (Supplementary information There was a similar pattern regarding SPID where males had a numerically higher score than females in the paracetamol 1000 mg/codeine 60 mg (