a significant trendP = 0.046
When analysing groups by predominant pattern, only high‐risk SPA/MPPA categories show a significant trend toward improved survival (HR = 0.552, P = 0.046).
When analysing groups by predominant pattern, only high‐risk SPA/MPPA categories show a significant trend toward improved survival (HR = 0.552, P = 0.046).
However, in both matched and unmatched analyses (Figures S7 and S8 ), this group showed evidence of a highly significant treatment benefit compared to poor prognosis of untreated groups (0 deaths in 8 cases).