Figure4. League table of head-to-head comparisons for
postoperative pain intensity at rest at 24h and the incidence of PONV of
all pharmacological interventions and placebo.
PLA=placebo. SKET=S (+)-ketamine. KET= ketamine. AMA=amantadine.
MAG=magnesium sulphate. PRE=pregabalin. ADE=adenosine.
DEX=dexmedetomidine. BUT=butorphanol. IBU=ibuprofen.
FLU+DEX=flurbiprofen+dexmedetomidine. FLU+BUT=flurbiprofen+butorphanol.
NALO=naloxone. BUP=buprenorphine. FLU=flurbiprofen. PAR=parecoxib.
PAR+DEX=parecoxib+dexmedetomidine. NALB =nalbuphine. SKET+MET =S
(+)-ketamine+methadone.