Table 1.
Specific gravity–corrected BPA concentration (ng/mL) geometric means (GMs) and standard deviations (GSDs) by visit.
| Outcome group | Visit 1 | Visit 2 | Visit 3 | Visit 4 | ||||
|---|---|---|---|---|---|---|---|---|
| n (% > LOD) | GM (GSD) | n (% > LOD) | GM (GSD) | n (% > LOD) | GM (GSD) | n (% > LOD) | GM (GSD) | |
| Overall | 481 (81.9) | 1.37 (2.32) | 422 (73.7) | 1.32 (2.18) | 412 (81.5) | 1.38 (2.32) | 380 (81.6) | 1.34 (2.24) |
| Cases | 130 (80.8) | 1.52 (2.48) | 118 (70.3) | 1.45 (2.32) | 111 (82.9) | 1.37 (2.53) | 66 (86.4) | 1.50 (2.64) |
| Spontaneous | 56 (82.1) | 1.52 (2.28) | 52 (78.8) | 1.40 (2.17) | 47 (85.1) | 1.31 (2.30) | 25 (92.0) | 2.24 (3.20) |
| Placental | 35 (82.9) | 1.61 (2.66) | 31 (61.3) | 1.64 (2.97) | 32 (81.2) | 1.50 (3.03) | 15 (80.0) | 1.48 (2.42) |
| Controls | 351 (82.3) | 1.31 (2.25) | 304 (75.0) | 1.27 (2.12) | 301 (81.1) | 1.39 (2.25) | 314 (80.6) | 1.31 (2.15) |