a decreasing trendP = 0.037
A decreasing trend in the absolute numbers of DNT cells was observed with increasing severity of aGVHD at one month (22 ± 6 vs. 9 ± 3 vs. 5 ± 2; Z = 2.082, P = 0.037 and Z = 2.744, P = 0.006); the same trend was also observed in the percentage of lymphocytes, but only the non-aGVHD group and the III–IV aGVHD group had significant statistical differences ([2.12 ± 0.69]% vs.