TABLE 2.
Preterm Birth and TCL in Patients With Abnormal TREC Test Results by GA
| GA Group, wk | Not TCL, n | TCL, n |
|---|---|---|
| 22–31 | 114 | 47 |
| 32–41 | 225 | 171 |
χ2 (degrees of freedom = 1; N = 557) = 9.40; P < .05.
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