Table 1

Population and study characteristics of included studies within the meta-analysis*

Study uthorControl groupMethodologyCountryType of cancerAge at diagnosisTime period of diagnosisAge at survey
Dongen-Melman et al40MatchedSurveyNetherlandsLeukaemia4.92198310.2
Maule et al26MatchedLinkageItalyMixed6.811971–2000N/A
Lorenzi et al25MatchedSurvey/linkageCanadaMixed4.61975–1995N/A
Ahomaki et al17MatchedLinkageFinlandMixed8.81960–200927
Stam et al15MatchedSurveyNetherlandsMixed7.31971–198424
Langeveld et al20MatchedSurveyNetherlandsMixed81972–199524
Barerra et al41MatchedSurveyCanadaMixed41981–199011
Gerdhart et al42MatchedSurveyUSAMixed11.518
Kuehni et al28PopulationSurveySwitzerlandMixed8.11976–200327
Freycon et al43PopulationSurvey/linkageFranceLeukaemia8.31988–201123
Lancashire et al19PopulationSurveyUKMixed6.51940–199122
Dumas et al21PopulationSurveyFranceMixed61948–200036
Ghaderi et al44PopulationSurvey/linkageNorwayMixed101965–1985N/A
Boman et al45PopulationSurvey/linkageSwedenMixed1963–197631.6
Essig et al46SiblingSurveyUSA/CanadaLeukaemia3.51970–198627.8
Taylor et al47SiblingSurveyUSALeukaemia
Allen et al10SiblingSurveyUKMixed91975–198020.5
Moe et al13SiblingSurveyNorwayLeukaemia5.31975–1980
Ishida et al12SiblingSurveyJapanMixed8.421
Ness et al48SiblingSurveyUSAMixed with HSCT19.71974–199826
Hudson et al24SiblingSurveyUSAMixed101970–198626.8
Kingma et al49SiblingSurveyNetherlandsLeukaemia31988–199214
Kingma et al18SiblingSurveyNetherlandsLeukaemia41979–198420
Molgard-Hansen et al50SiblingSurveyNordic CountriesLeukaemia5.51984–200316.2
Haupt et al11SiblingSurveyUSA/CanadaLeukaemia10.21970–1987 –
Kelaghan et al33SiblingSurveyUSAMixed13.251945–197430.9
  • Please note, where data unavailable, it has been annotated with (–).

  • *Haematopoeitc stem cell transplant.