OMIM Statistics

OMIM database last updated 30-Sep-2008

Overall OMIM data

Total number of OMIM entries with allelic variant records: 1356

Total number of mutations: 7588

Number of OMIM entries cross-linked from SwissProt: 1353 (99.8%)
This represents 7466 mutations (98.4%)

Of the OMIM entries linked to SwissProt:

Validated (Class A) mutations: 7162 (95.9%) from 1254 (92.7%) OMIM entries
Probable (Class B) mutations: 87 (1.2%) from 27 (2.0%) OMIM entries
Unidentified (Class C) mutations: 512 (6.9%) from 243 (18.0%) OMIM entries

2318 mutations (31.0%) required an offset to be applied.
These came from 198 OMIM entries (14.6%).

In total, 261 OMIM entries linked to SwissProt (19.3%) contain errors or inconsistencies.