Table 2 Reference intervals for maternal and cord plasma sulfate parameters
From: Reference intervals for plasma sulfate and urinary sulfate excretion in pregnancy
Gender baby | N | Lower bounda(90% CI)b | Upper bounda(90% CI)b |
|---|---|---|---|
Maternal plasma sulfate (μmol/L) 10-20 weeks gestation | |||
All | 103 | 305 (220, 327) | 710 (651, 743) |
Male | 52 | 244 (220, 313) | 695 (615, 716) |
Female | 51 | 316 (310, 336) | 732 (661, 743) |
Maternal plasma sulfate (μmol/L) 30-37 weeks gestation | |||
All | 106 | 335 (325, 344) | 701 (667, 811) |
Male | 58 | 328 (325, 367) | 699 (637, 721) |
Female | 48 | 338 (337, 344) | 784 (672, 811) |
Maternal FEI sulfate 10-20 weeks gestation | |||
All | 101 | 0.06 (0.05, 0.07) | 0.31 (0.27, 0.39) |
Male | 51 | 0.06 (0.06, 0.07) | 0.30 (0.26, 0.31) |
Female | 50 | 0.06 (0.05, 0.09) | 0.37 (0.27, 0.39) |
Maternal FEI sulfate 30-37 weeks gestation | |||
All | 105 | 0.05 (0.03, 0.05) | 0.28 (0.22, 0.40) |
Male | 58 | 0.04 (0.03, 0.06) | 0.38 (0.20, 0.40) |
Female | 47 | 0.04 (0.04, 0.05) | 0.23 (0.20, 0.23) |
Cord plasma sulfate (μmol/L) 37-41 weeks gestation | |||
All | 80 | 175 (159, 216) | 603 (553, 683) |
Male | 34 | 159 (159, 216) | 598 (505, 598) |
Female | 46 | 186 (180, 243) | 669 (538, 683) |