an increasing trendP <.001
However, interestingly, the proportion of surgeries performed among female patients showed an increasing trend ( P <.001), leading to a narrowing sex gap.
However, interestingly, the proportion of surgeries performed among female patients showed an increasing trend ( P <.001), leading to a narrowing sex gap.
We found that the male-to-female ratio among the patients who underwent surgery for CDD showed a decreasing trend (male-to-female ratio [monthly], linear regression: P <.001) ( Figure 6 ).