Issues

• Charlson Index code out of date

  bug
  OHDSI/FeatureExtraction#340 · Filter by author jreps opened on Oct 13, 2026

• Bug in valueAsConcept features code

  OHDSI/FeatureExtraction#337 · Filter by author schuemie opened on Sep 30, 2026

• New initiatives in biobank phenotype engineering?

  OHDSI/FeatureExtraction#335 · Filter by author AR-Shicheng opened on Sep 18, 2026

• For CHADS2Vasc, min/max/mean/SD contradict percentile stats

  OHDSI/FeatureExtraction#334 · Filter by author jennifer-cheng-703 opened on Sep 9, 2026
  

• Add features from the EPISODE table

  OHDSI/FeatureExtraction#320 · Filter by author schuemie opened on Jan 8, 2026

• Drug era/exposure groupings to be more configurable at ATC levels

  OHDSI/FeatureExtraction#319 · Filter by author azimov opened on Dec 17, 2025

• Documentation around conventions on using custom covariate ids

  enhancementgood first issue
  OHDSI/FeatureExtraction#314 · Filter by author azimov opened on Sep 12, 2025

• Extract covariates with timeId's an those without in same call

  OHDSI/FeatureExtraction#311 · Filter by author egillax opened on Aug 18, 2025 · v4.0.0

• Charlson Comorbidity Index - does the feature capture CCI = 0?

  OHDSI/FeatureExtraction#302 · Filter by author dimshitc opened on Apr 23, 2025

• Charlson Comorbidity Index - metastasis category should use measurement table

  OHDSI/FeatureExtraction#301 · Filter by author dimshitc opened on Apr 22, 2025
  2

• Provide a more informative error when the checksum fails onLoad of FeatureExtraction

  good first issuehelp wanted
  OHDSI/FeatureExtraction#291 · Filter by author anthonysena opened on Feb 25, 2025

• inconsistent handling of repeated rows in cohort

  OHDSI/FeatureExtraction#287 · Filter by author jreps opened on Dec 6, 2024 · v4.0.0

• createConnectionDetails() with snowflake dbms

  OHDSI/FeatureExtraction#285 · Filter by author haleyhuston1 opened on Nov 21, 2024
  3

• Add spline features for continuous variables

  OHDSI/FeatureExtraction#284 · Filter by author schuemie opened on Nov 19, 2024 · v4.1.0
  1

• Feature cohort start in time window not available

  OHDSI/FeatureExtraction#248 · Filter by author gowthamrao opened on Apr 19, 2024

• Remove deprecated cohortId parameter

  OHDSI/FeatureExtraction#244 · Filter by author ginberg opened on Apr 16, 2024 · v4.0.0
  

• Support for CDM oncology extension

  OHDSI/FeatureExtraction#233 · Filter by author ginberg opened on Feb 22, 2024

• computeStandardizedDifference does not handle temporal covariate data

  bug
  OHDSI/FeatureExtraction#225 · Filter by author gowthamrao opened on Feb 1, 2024 · v4.1.0
  4

• Warning related to the concepts_to_exclude list and the PS file

  question
  OHDSI/FeatureExtraction#209 · Filter by author malihamashkoor123 opened on Jul 26, 2023
  1

• Inclusion of Pediatrics age groups as optional Features

  OHDSI/FeatureExtraction#190 · Filter by author azimov opened on Mar 29, 2023

• Can Feature Extraction support computation with respect to target cohort_end_date

  OHDSI/FeatureExtraction#181 · Filter by author gowthamrao opened on Dec 10, 2022
  1

• Methodology for normalization with max value division

  question
  OHDSI/FeatureExtraction#180 · Filter by author andtsouch opened on Nov 18, 2022
  6

• EHR-based electronic frailty index

  OHDSI/FeatureExtraction#172 · Filter by author cyanover opened on Jul 31, 2022 · v4.1.0
  1

• Add function for creating interactions between covariates

  enhancement
  OHDSI/FeatureExtraction#170 · Filter by author schuemie opened on Jun 21, 2022

• Create cohort-based standard table 1

  enhancement
  OHDSI/FeatureExtraction#169 · Filter by author schuemie opened on Jun 7, 2022
  7