NEAT1 and Azoospermia: In the case of non-obstructive azoospermia, serum NEAT1 levels also successfully distinguished these patients from healthy controls, yielding an AUC of 0.6762 (95% CI: 0.7820 to 0.9977, p = 0.01), with 52% sensitivity and 95% specificity at a cutoff above 1.29 (Fig. 7B).