highly significantp < .0001
Keywords Femoroacetabular impingement hip hyaluronic acid viscosupplementation Particularly, the slopes with respect to time for the variables VAS, HHS, Lequesne ( Figure 4 ) and NSAIDs monthly intake ( Figure 5 ) were highly significant ( p < .0001; p < .0001; p < .0001; p = .0003).