Clinical axes that live only in the narrative

How it was counted

1. 1Matched the notation in the record text with regular expressions.
2. 2Filtered by record type to cut false positives.

Result

• 668 patients with a biomarker on record.

  Record text, 2026-08-04

• Stage 362, recurrence 352, line of therapy 62.

  Record text, 2026-08-04

• Side-effect and efficacy narratives: 2,069 records across 264 patients.

  Record text, 2026-08-04

What this number cannot say

• Notation differs by hospital, so the same concept written differently may be missing.
• A value being recorded is not the same as the value being correct.

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