For both morphine and ibuprofen , we found a reduction in pain scores ( mean pre-post difference standard deviation for dose @ : morphine @ @ , ibuprofen @ @ , between-group difference -LSB- -RSB- @ -LSB- @ % confidence interval ( CI ) -@ to @ -RSB- ; dose @ : morphine @ @ , ibuprofen @ @ , @ -LSB- @ % CI -@ to @ -RSB- ; dose @ : morphine @ @ , ibuprofen @ @ , -@ -LSB- @ % CI -@ to @ -RSB- ; and dose @ : morphine @ @ , ibuprofen @ @ , @ -LSB- @ % CI -@ to @ -RSB- ) .