Database	Search terms
CENTRAL	MeSH descriptor: [Renal Replacement Therapy] this term only MeSH descriptor: [Renal Dialysis] this term only MeSH descriptor: [Hemodiafiltration] this term only MeSH descriptor: [Hemodialysis, Home] explode all trees MeSH descriptor: [Hemofiltration] explode all trees (hemodialysis or haemodialysis):ti,ab,kw (Word variations have been searched) (hemofiltration or haemofiltration):ti,ab,kw (Word variations have been searched) (hemodiafiltration or haemodiafiltration):ti,ab,kw (Word variations have been searched) MeSH descriptor: [Peritoneal Dialysis] explode all trees (peritoneal dialysis):ti,ab,kw (Word variations have been searched) (CAPD or CCPD or APD):ti,ab,kw (Word variations have been searched) {or #1‐#11} MeSH descriptor: [Carnitine] explode all trees (carnitine):ti,ab,kw (Word variations have been searched) (levocarnitine):ti,ab,kw (Word variations have been searched) ("vitamin bt".tw):ti,ab,kw (Word variations have been searched) {or #13‐#16} {and #12, #17}
MEDLINE	Renal Replacement Therapy/ Renal Dialysis/ Hemodiafiltration/ Hemodialysis, home/ exp Hemofiltration/ dialysis.tw. (hemodialysis or haemodialysis).tw. (hemofiltration or haemofiltration).tw. (hemodiafiltration or haemodiafiltration).tw. exp Peritoneal Dialysis/ peritoneal dialysis.tw. (CAPD or CCPD or APD).tw. or/1‐12 exp CARNITINE/ carnitine.tw. bicarnesine.tw. levocarnitine.tw. "vitamin bt".tw. or/14‐18 and/13,19
EMBASE	exp renal replacement therapy/ extended daily dialysis/ hemodialysis/ home dialysis/ hemofiltration/ hemodiafiltration/ dialysis.tw. (hemodialysis or haemodialysis).tw. (hemofiltration or haemofiltration).tw. (hemodiafiltration or haemodiafiltration).tw. renal replacement therapy‐dependent renal disease/ Peritoneal Dialysis/ Continuous Ambulatory Peritoneal Dialysis/ peritoneal dialysis.tw. (PD or CAPD or CCPD or APD).tw. peritoneal dialysis fluid/ peritoneal dialysis catheter/ or/1‐17 exp carnitine/ carnitine.tw. bicarnesine.tw. levocarnitine.tw. "vitamin bt".tw. or/19‐23 and/18,24