ASA American Society of Anaesthesiologists
BNF  British National Formulary
CI confidence interval
CrI credible interval
CST component separation technique
DIS deep incisional
GRADE grading of recommendations assessment, development and evaluation
HADS Hospital Anxiety and Depression Scale
HerQLes Hernia-Related Quality of Life Survey
HR hazard ratio
IH incisional hernia
ICER incremental cost-effectiveness ratio
IPOM intraperitoneal onlay mesh
IRIC Incident Reporting and Investigation Centre
MD mean difference
MHRA Medical and Healthcare products Regulatory Agency
MINORS methodological index for non-randomised studies
NMA network meta-analysis
NNT number needed to treat
NR not reported
OR odds ratio
OWDSA one-way deterministic sensitivity analyses
PCS Pain Catastrophising Scale
PSA probabilistic sensitivity analysis
PVH primary ventral hernia
QALY quality-adjusted life-year
RCT randomised controlled trial
RD risk difference
RR risk ratio/relative risk
SD standard deviation
SHTG Scottish Health Technologies Group
SIGN Scottish Intercollegiate Guidelines Network
SSI surgical site infection
SUCRA surface under the cumulative ranking
TAPP transabdominal preperitoneal
TEP totally extraperitoneal
VAS visual analogue scale
WMD weighted mean difference