Table 1– The Population, Intervention, Comparison, Outcome definitions
PopulationInterventionComparisonOutcome
Lung cancerReferralOther interventions or no interventionMortality
DiagnosticsMorbidity/complications
TherapyQuality of life
 SurgerySatisfaction with care
 Systemic therapyTimeliness/delay
 Radiotherapy
 Radiochemotherapy
 Palliative/supportive care
Guidelines
 Adherence
 Implementation
Quality management
 Lung cancer centres
 Pathways/fast track
 Multidisciplinary team
 Quality assurance
  Cancer registry
  Audit
  Survey
  Quality indicators
Volumes/minimum quantities
Disparities