Gemcitabine combinations leads to lower overall survival ‐ Gemcitabine plus taxane compared with gemcitabine alone (high certainty).
Gemcitabine combinations showed no clear difference in overall survival ‐ Gemcitabine plus other agent(s) compared with gemcitabine alone (low certainty).
Gemcitabine combinations showed no clear difference in overall survival ‐ Gemcitabine plus platinum agent compared with gemcitabine alone (low certainty).
Gemcitabine combinations leads to lower overall survival ‐ Gemcitabine plus fluoropyrimidine compared with gemcitabine alone (high certainty).
Gemcitabine combinations showed no clear difference in overall survival ‐ Gemcitabine plus topoisomerase inhibitor compared with gemcitabine alone (high certainty).
The intervention showed no clear difference in mortality (calculated instead of overall survival) (moderate certainty).
The intervention may leads to higher mortality (calculated instead of overall survival) (low certainty).
The intervention probably leads to lower mortality sensitivity analysis (calculated instead of overall… (moderate certainty).