Compressible Knitted Adjuncts with Varying Interconnections

A stapling assembly for use with a surgical stapler, comprising:

• a cartridge having a plurality of staples disposed therein, the plurality of staples being configured to be deployed into tissue;
• and
• a knitted adjunct configured to be releasably retained on the cartridge such that the adjunct can be attached to tissue by the plurality of staples in the cartridge, the adjunct having a first end, a second end, and a longitudinal axis extending therebetween, the adjunct comprising at least one knitted layer formed of first fibers and at least one core layer formed of second fibers that are interconnected with the first fibers to form a plurality of interconnections, wherein one of the plurality of interconnections differs from at least another one of the plurality of interconnections to provide a variable compression strength.