Source	Search terms
Cochrane Methodology Register (2006, Issue 3)	Review methodology – data collection – individual patient data – general methods Review methodology – data collection – individual patient data – IPD vs other types of meta‐analysis Review methodology – data collection – individual patient data – IPD and non IPD “individual patient data” “ipd” [These terms were combined with the Boolean OR]
CENTRAL (2006, Issue 2)	#1 (individual next patient next data) #2 ((individual next patient*) near data) #3 ((individual next patient*) near report*) #4 ((individual next patient*) near outcome*) #5 ipd #6 (#1 or #2 or #3 or #4 or #5)
OvidWeb MEDLINE (1966 to May Week 5 2006)	1 individual patient data.ti,ab. 2 individual patient report$.ti,ab. 3 individual patient outcome$.ti,ab. 4 (individual patient$ adj6 data).ti,ab. 5 (individual patient$ adj6 report$).ti,ab. 6 (individual patient$ adj6 outcome$).ti,ab. 7 ipd.ti,ab. 8 or/1‐7
OvidWeb Embase (1980 to 2004 Week 20)	1 individual patient data.ti,ab. 2 individual patient report$.ti,ab. 3 individual patient outcome$.ti,ab. 4 (individual patient$ adj6 data).ti,ab. 5 (individual patient$ adj6 report$).ti,ab. 6 (individual patient$ adj6 outcome$).ti,ab. 7 ipd.ti,ab. 8 or/1‐7