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. 2021 Jun 15;12:639221. doi: 10.3389/fimmu.2021.639221

Table 2.

Analysis of Vδ1/Vδ2, Vδ1+PD1+ γδ T cells and pregnancy rate.

Pregnants n (%) MPT (days) Log-Rank p Value RR (95% CI) a Cox model p Value a
Patients
Vδ1/Vδ2 27 (42.2) 170
<1.04 19 (59.4) 158 1 (ref.)
≥1.04 8 (25.0) 210 0.009 0.330 (0.137–0.791) 0.013
Vδ1+PD1+ 27 (42.2) 170
≥15.7 18 (56.3) 130 1 (ref.)
<15.7 9 (28.1) 194 0.012 0.293 (0.057–0.662) 0.005
Controls
Vδ1/Vδ2 35 (51.5) 100
<1.04 21 (45.7) 155 1 (ref.)
≥1.04 14 (63.6) 69 0.064 0.521 (0.263–1.034) 0.062
Vδ1+PD1+ 35 (51.5) 100
≥15.7 18 (40.9) 113 1 (ref.)
<15.7 17 (70.8) 59 0.009 0.399 (0.204–0.780) 0.007

MPT, median pregnancy time; RR, relative risk; ref., reference.

a

Cox regression analysis was adjusted for age, history of infertility, and the number and diameter of endometrial polyp in EP patients; adjusted for age and history of infertility in controls.