showed a trendp = 0.006
Renal function-related indices also demonstrated significant associations, with serum creatinine levels decreasing significantly ( p < 0.001) with increasing α-klotho levels, from 82.20 ± 55.43 umol/L in Q1 to 68.35 ± 25.71 umol/L in Q4; similarly, uric acid levels showed a significant decreasing trend ( p < 0.001) from 336.06 in Q1 ± 85.56 umol/L to 289.05 ± 82.82 umol/L in Q4.Blood urea nitrogen likewise showed a trend of negative correlation ( p = 0.006) with α-klotho level from 5.13 ± 2.33 mmol/L in Q1 to 4.57 ± 1.67 mmol/L in Q4.