Overall, the FJN alliance gained 8 seats compared to its 1952 results, but the independents nearly doubled their presence, from 37 to 63 (this is explained as the Sejm of 1957 had 459 seats, an increase of 34 from the 1952, which had only 425 seats). PZPR was the biggest loser, with 34 seats less than in 1952, ZSL gained 28, and SD, 14. However, as the other parties and "independents" were in fact subordinate to PZPR, its control of the Sejm was, in fact, total. The representational pattern in the Sejm would be nearly stable for the next 30 years, following a slight swing from the independents to PZPR in 1961.