Table I.
Demographic and clinical characteristics of the study population for immunophenotyping of effector memory T cells
| TNL (n=20) |
TIL (n=55) |
PTNL (n=15) |
PTL (n=50) |
p value | |
|---|---|---|---|---|---|
| Age (y; median [IQR])a | 27 (24-29.3) | 25 (22-29) | 29 (24.5-35.5) | 23 (21.3-26.3) | 0.01 |
| Body mass index (kg/m2; median [IQR])a | 27.6 (24.5-29.7) | 29.3 (24.6-34) | 27.5 (24.9-35.8) | 24.9 (21.6-29.3) | 0.03 |
| Gestational age at delivery (wk; median [IQR])a | 39.1 (39-39.3) | 39.4 (38.6-40.7) | 33.9 (28.9-36.3) | 34.2 (31.2-35.9) | <0.001 |
| Birth weight (g; median [IQR])a | 3232.5 (2911.3-3658.8) | 3205 (3007.5-3506.3) | 1930 (1082.5-2385) | 1977.5 (1466.3-2343.8) | <0.001 |
| Race (n[%])b | 0.004 | ||||
| African-American | 13 (65%) | 51 (92.7%) | 11 (73.3%) | 44 (88%) | |
| Caucasian | 3 (15%) | 3 (5.5%) | 3 (20%) | 1 (2%) | |
| Hispanic | 2 (10%) | 0 (0%) | 0 (0%) | 0 (0%) | |
| Asian | 2 (10%) | 0 (0%) | 0 (0%) | 2 (4%) | |
| Other | 0 (0%) | 1 (1.8%) | 1 (6.7%) | 3 (6%) | |
| Primiparity (n[%])b | 2 (10%) | 7 (12.7%) | 3 (20%) | 11 (22%) | NS |
| Cesarean section (n[%])b | 20 (100%) | 6 (10.9%) | 15 (100%) | 9 (18%) | <0.001 |
a
Kruskal-Wallis test;
b
Fisher’s exact test;
IQR = interquartile range, TNL = term no labor, TIL = term in labor, PTNL = preterm no labor, PTL = preterm in labor