Consumers who buy Medicare supplement (Medigap) insurance would just as soon minimize their level of skin in the game.

Analysts at Mark Farrah Associates have published data supporting that conclusion in their latest review of Medigap issuer financial statement filings.

The analysts found that the number of people with Medigap coverage increased to 10.5 million by the end of 2013, up 3.8 percent from the total recorded a year earlier.

In an effort to reduce consumer confusion and help consumers compare plans when shopping, Congress requires Medigap issuers to sell standardized packages designated by letters.

The percentage of the enrollees who are using Plan F — the most comprehensive package — increased to 52 percent in 2013, from 50 percent in 2012.

The plans generated $24 billion in premium revenue and had a total loss ratio of 76.9 percent, down from 78.2 percent in 2012.

Mark Farrah analysts say the drop may be due to the removal of prescription drug benefits from the list of benefits that Medigap plans can offer.

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