a decreasing trendp < 0.05
We observed a decreasing trend in detection of SMCs in the 90- and 180-day groups as compared with the 28-day group ( p < 0.05; Table 2 ).
We observed a decreasing trend in detection of SMCs in the 90- and 180-day groups as compared with the 28-day group ( p < 0.05; Table 2 ).