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Table 4 GA and FT4 values of patients who were started treatment with a diagnosis of THOP

From: Clinical indicators that influence a clinician’s decision to start L-thyroxine treatment in prematurity with transient hypothyroxinemia

Cut-off (GA)

L-T4 Treated n (%)

L-T4 Untreated n (%)

Total n (%)

 ≤ 30 GA

31 (57.4)

23 (42.6)

54 (100)

 > 30 GA

5 (17.2)

24 (82.8)

29 (100)

Total

36 (43.4)

47 (56.6)

83 (100)

Cut-off (FT4 = ng/dl)

  < 0.72

12 (100)

0 (0)

12 (100)

  ≥ 0.72

24 (33.8)

47 (66.2)

71 (100)

 Total

36 (43.4)

47 (56.6)

83 (100)

  1. Categorical data are given as frequency and (%)