an increasing trendP = 0.303
The result showed that the CIN II–III group showed an increasing trend in the proportion (percentage relative to total NK cells) of circulating CD56 bright NK cells ( P = 0.303)and a slightly lower proportion of circulating CD56 dim NK cells ( P = 0.099) than the HPV(−) CIN 0 group and the HPV16(+) CIN I group, although these differences were not statistically significant.