PRL and Anxiety: However, significant differences did emerge in the MSL of the MWT (p < 0.001), in state anxiety levels (p = 0.009), IPI scores (p = 0.002), DSST scores (p = 0.013), SST scores (p = 0.003) and levels of PRL (p = 0.003) and TSH (p = 0.003) (Tables 1, 2 and 3).