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Table 2 Serum procalcitonin levels

From: Efficacy of serum procalcitonin to predict spontaneous preterm birth in women with threatened preterm labour: a prospective observational study

  All patients
(n = 124)
Term delivery (n = 94) Preterm delivery (n = 30) p-value
PCT level at admission for TPL(ng/mL) 0.040 [0.031–0.050]
(n = 124)
0.039 [0.030–0.050]
(n = 94)
0.042 [0.034–0.054]
(n = 30)
0.56
PCT level according to gestational age at admission (ng/mL)
 Between 24 and 28 weeks 0.028 [0.020–0.038]
(n = 8)
0.028 [0.020–0.035]
(n = 6)
0.031 [0.020–0.042]
(n = 2)
0.99
 Between 28 and 32 weeks 0.042 [0.032–0.049]
(n = 42)
0.040 [0.032–0.049]
(n = 34)
0.042 [0.034–0.053]
(n = 8)
0.66
  > or equal to 32 weeks 0.040 [0.032–0.050]
(n = 73)
0.040 [0.030–0.047]
(n = 53)
0.041 [0.034–0.055]
(n = 20)
0.65
PCT level according to admission-to-delivery interval (ng/mL)
  > 7 days 0.039 [0.030–0.048]
(n = 117)
0.039 [0.030–0.047]
(n = 94)
0.042 [0.034–0.054]
(n = 23)
0.76
  > 14 days 0.039 [0.030–0.049]
(n = 112)
0.039 [0.030–0.047]
(n = 94)
0.039 [0.030–0.054]
(n = 18)
0.97
  1. TPL Threatened preterm labour. PCT Procalcitonin
  2. PCT levels are expressed as median [interquartile range]