Records Checked

Records with Issues

QC Flags Triggered

Clean Records

Total Violations

Avg Flags / Flagged Record

% Records Clean

Active VHTs

QC Flag Summary — All Flags with ≥1 Issue

Click any column header to sort.

Open Queries

Reviewed Queries

Unique Records Affected

Flagged Records — One Row per Study ID × Flag

Select rows then click “Mark Selected as Reviewed” to remove them from the open list. Toggle “Show reviewed items” to see previously reviewed queries.

VHTs Analysed

Worst Error Rate

Best Error Rate

VHTs with 0 Issues

Comprehensive VHT Report Card Performance + Category breakdown. VHTs below min threshold are flagged.

Columns: submissions, flags, error rate, grade, and issue counts by category. Weighted Score penalises low-volume VHTs. Download for print-friendly report.

VHT × QC Flag Heatmap

Cells show number of flags triggered per VHT. Darker = more issues.

Historical VHT QC Snapshots Preserved on each data refresh — fixes won’t erase past issues.

Each row is a snapshot taken when data was refreshed. This preserves the VHT’s original error history even after corrections are made in ODK.

Weekly Error Rate Over Time
Weekly Flag Count Over Time

Pairs of flags that frequently co-occur on the same record.

Records with 3 or more QC flags — candidates for manual review.