When configuring, or troubleshooting, HL7 interfaces it is often useful (if not always) to know what values to expect in particular field, what are the minimum and maximum lengths expected, how often the value is null, etc. The “Statistics Tool” tab provides high-level statistics for all messages and fields, whereas the Field and Component Statistics UI displays more detailed statistics for an individual field, or component. The Field Statistics and Component Statistics feature share the same UI since they have identical functionality. The difference being that the former provides statistics at the field level, and the later at the component level. If you are integrating two systems together this is invaluable information.
The figure above are the statistics for field PID-8. A description of fields and capabilities of this window follows:
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