Question · asked by 1 review

Gefitinib vs chemotherapy alone: Overall survival (OS)

Gefitinib showed no clear difference in overall survival (OS) compared with chemotherapy (moderate certainty).

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
Gefitinib vs chemotherapy
Overall survival (OS) · advanced NSCLC
Gefitinib showed no clear difference in overall survival (OS) compared with chemotherapy (moderate certainty).
Gefitinib for advanced non‐small cell lung cancer (2018) · Cochrane Headline outcomes only
HR 0.98 [0.91, 1.46]2 studies · 275 participantsModerate
Gefitinib vs chemotherapy
Overall survival (OS) · advanced NSCLC
Gefitinib showed no clear difference in overall survival (OS) compared with chemotherapy (moderate certainty).
Gefitinib for advanced non‐small cell lung cancer (2018) · Cochrane Headline outcomes only
HR 1.02 [0.91, 1.15]2 studies · 1607 participantsModerate

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Gefitinib for advanced non‐small cell lung cancer
2018 · Cochrane Headline outcomes only
Not reportedlist not extracted yetNot assessed

Studies behind the findings

None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.

How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.