#	Searches	Results
1	exp infant, newborn/ or Intensive Care, Neonatal/ or Intensive Care Units, Neonatal/ or Gestational Age/	721745
2	(babe or babes or baby* or babies or gestational age? or infant? or infantile or infancy or low birth weight or low birthweight or neonat* or neo‐nat* or newborn* or new born? or newly born or premature or pre‐mature or pre‐matures or prematures or prematurity or pre‐maturity or preterm or preterms or pre term? or preemie or preemies or premies or premie or VLBW or VLBWI or VLBW‐I or VLBWs or LBW or LBWI or LBWs or ELBW or ELBWI or ELBWs or NICU or NICUs).ti,ab,kw,kf.	1040979
3	1 or 2	1352125
4	Anticonvulsants/	55873
5	*Seizures/	36947
6	(anticonvuls* or anti‐convuls* or antiepileptic* or anti‐epileptic* or antiseizur*or anti‐seizur* or (seizur* adj2 prevent*) or seizur*).ti,ab,kw,kf.	173161
7	4 or 5 or 6	199675
8	randomized controlled trial.pt.	594019
9	controlled clinical trial.pt.	95326
10	randomized.ti,ab.	658117
11	placebo.ti,ab.	245248
12	drug therapy.fs.	2596416
13	randomly.ti,ab.	410650
14	trial.ti,ab.	754362
15	groups.ti,ab.	2553341
16	8 or 9 or 10 or 11 or 12 or 13 or 14 or 15	5741348
17	(quasirandom* or quasi‐random* or randomi* or randomly).ti,ab,kw,kf.	1121180
18	(control* adj2 (group? or random* or trial? or study)).ti,ab,kw,kf.	1118054
19	17 or 18	1729481
20	16 or 19	6040695
21	meta‐analysis/ or "systematic review"/ or network meta‐analysis/	313819
22	((systematic* adj3 (review* or overview*)) or (methodologic* adj3 (review* or overview*))).ti,ab,kf,kw.	317658
23	((integrative adj3 (review* or overview*)) or (collaborative adj3 (review* or overview*)) or (pool* adj3 analy*)).ti,ab,kf,kw.	38620
24	(data synthes* or data extraction* or data abstraction*).ti,ab,kf,kw.	40155
25	(hand search* or handsearch*).ti,ab,kf,kw.	11100
26	(mantel haenszel or peto or der simonian or dersimonian or fixed effect* or latin square*).ti,ab,kf,kw.	35453
27	meta‐analysis as topic/ or network meta‐analysis/	27037
28	(meta analy* or metanaly* or meta regression* or metaregression*).ti,ab,kf,kw.	273051
29	(medline or cochrane or pubmed or medlars or embase or cinahl).ab.	332990
30	(cochrane or systematic review?).jw.	20267
31	21 or 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30	622595
32	(2022* or 2023*).dt,dp,ed,ep,yr.	2737024
33	3 and 7 and 20 and 32	515
34	3 and 7 and 31 and 32	88