GPT and metabolic dysfunction-associated steatotic liver disease: The TyG–ALT index showed a consistently good detection ability at all severity levels of NAFLD, as follows 0.704 (95% CI, 0.602–0.806; P < .001) at US-FLI ≥ 4 points, 0.775 (95% CI, 0.689–0.861; P < .001) at US-FLI ≥ 5 points, and 0.775 (95% CI, 0.648–0.902; P < .001) at US-FLI ≥ 6 points.