showed a trendp = 0.077
Ureaplasma species showed a trend toward a higher frequency in the antibody‐positive group in the 99% analysis (28.6% [2/7] vs. 4.3% [2/47], p = 0.077) and were significantly more frequent in the 95% percentile analysis (30.0% [3/10] vs. 2.3% [1/44], p = 0.016).