a decreasing trendP < 0.05
Compared with mTG/GA hydrogel (17.42 ± 2.68 kPa), the strength of the composite hydrogel showed a decreasing trend after mixing with chitosan (14.29 ± 5.28 kPa, P < 0.05), whereas the strength of the composite hydrogel showed an increased trend after mixing with sodium alginate (19.79 ± 2.44 kPa, P < 0.05).