Clinical Study
Natural Killer Cells and Their Activation Status in Normal Pregnancy
Table 2
Mean (SD) total lymphocyte, natural killer cell, and CD69 counts in the study population.
| | | | First trimester | | Second trimester | | Third trimester |
| | Total lymphocyte count (×109/L) | | | | | | | | Total, mean (SD) | 45 | 1.93 (0.57) | 46 | 1.68 (0.41) | 42 | 1.79 (0.43) | | Caucasian, mean (SD) | 25 | 1.87 (0.44) | 25 | 1.74 (0.44) | 25 | 1.82 (0.47) | | Afro-Caribbean, mean (SD) | 20 | 1.99 (0.71) | 21 | 1.60 (0.45) | 17 | 1.74 (0.37) | | NK cell count (×106/L) | | | | | | | | Total, mean (SD) | 45 | 232.6 (149.5) | 46 | 183.4 (108.1) | 42 | 166.9 (77.7) | | Caucasian, mean (SD) | 25 | 230.0 (130.1) | 25 | 198.7 (126.1) | 25 | 171.3 (85.3) | | Afro-Caribbean, mean (SD) | 20 | 236.0 (174.3) | 21 | 165.1 (81.0) | 17 | 160.4 (67.0) | | NK cell/lymphocyte (%) | | | | | | | | Total, mean (SD) | 45 | 11.6 (5.8) | 46 | 10.8 (4.6) | 42 | 9.3 (3.3) | | Caucasian, mean (SD) | 25 | 12.0 (5.3) | 25 | 11.0 (4.8) | 25 | 9.3 (3.1) | | Afro-Caribbean, mean (SD) | 20 | 11.3 (6.4) | 21 | 10.5 (4.6) | 17 | 9.2 (3.7) | | CD69 count (×106/L) | | | | | | | | Total, mean (SD) | 30 | 1.88 (1.08) | 30 | 2.14 (1.90) | 30 | 2.56 (1.42) | | Caucasian, mean (SD) | 15 | 2.02 (1.25) | 15 | 2.69 (2.48) | 15 | 3.07 (1.50) | | Afro-Caribbean, mean (SD) | 15 | 1.75 (0.89) | 15 | 1.59 (0.81) | 15 | 2.05 (1.16) | | CD69/NK cell (%) | | | | | | | | Total, mean (SD) | 30 | 1.14 (0.76) | 30 | 1.24 (0.72) | 30 | 1.82 (1.29) | | Caucasian, mean (SD) | 15 | 1.03 (0.65) | 15 | 1.45 (0.91) | 15 | 1.98 (0.94) | | Afro-Caribbean, mean (SD) | 15 | 1.25 (0.86) | 15 | 1.04 (0.39) | 15 | 1.67 (1.59) |
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NK: natural killer.
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