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. 2022 Mar 15;186(5):587–596. doi: 10.1530/EJE-21-1085

Table 1.

Daily hydrocortisone (HC) dose, fludrocortisone (FC) dose, equivalent glucocorticoid action of HC and FC (ED HC) and equivalent mineralocorticoid action of FC and HC (mean ± s.d., (n)).

Age/medication NST ST Total P-value*
0 month
 HC (mg/m2) 28.5 ± 9.1 (39) 21.2 ± 13.6 (80) 23.6 ± 12.8 (119) <0.001
 ED HC (mg/m2) 34.7 ± 10.1 (39) 25.5 ± 11.5 (76) 28.6 ± 11.8 (115) <0.001
 FC (µg/day) 111.5 ± 41.7 (50) 96.4 ± 54.6 (120) 100.8 ± 51.5 (170) 0.08
 ED FC (µg/day) 145.2 ± 41.2 (48) 111.6 ± 51.6 (105) 122.1 ± 50.7 (154) <0.001
3 months
 HC (mg/m2) 17.3 ± 7.0 (77) 17.1 ± 8.8 (114) 17.2 ± 8.0 (194) 0.89
 ED HC (mg/m2) 22.6 ± 7.8 (77) 20.9 ± 7.9 (111) 21.6 ± 7.9 (191) 0.10
 FC (µg/day) 131.3 ± 56.8 (86) 103.9 ± 61.3 (142) 114.3 ± 61.0 (228) <0.001
 ED FC (µg/day) 157.9 ± 59.4 (83) 124.6 ± 58.1 (119) 138.3 ± 60.4 (205) <0.001
6 months
 HC (mg/m2) 14.4 ± 6.1 (81) 13.8 ± 5.3 (109) 14.0 ± 5.7 (192) 0.44
 ED HC (mg/m2) 18.3 ± 6.3 (79) 17.3 ± 5.8 (109) 17.6 ± 6.0 (190) 0.27
 FC (µg/day) 115.8 ± 47.1 (86) 103.7 ± 65.9 (144) 108.2 ± 59.7 (230) 0.14
 ED FC (µg/day) 141.9 ± 47.6 (81) 123.3 ± 63.9 (118) 130.8 ± 58.2 (201) 0.06
9 months
 HC (mg/m2) 12.4 ± 4.4 (77) 12.8 ± 4.1 (97) 12.7 ± 4.5 (175) 0.52
 ED HC (mg/m2) 15.6 ± 4.4 (76) 15.9 ± 4.7 (96) 15.9 ± 4.9 (173) 0.71
 FC (µg/day) 106.7 ± 45.1 (82) 102.0 ± 48.7 (129) 103.8 ± 47.3 (211) 0.48
 ED FC (µg/day) 130.7 ± 44.0 (79) 124.9 ± 47.5 (101) 127.9 ± 46.3 (181) 0.55
12 months
 HC (mg/m2) 12.0 ± 3.1 (88) 11.9 ± 4.1 (107) 12.1 ± 4.0 (198) 0.86
 ED HC (mg/m2) 14.8 ± 3.2 (87) 14.7 ± 4.5 (107) 14.9 ± 4.3 (197) 0.54
 FC (µg/day) 98.7 ± 37.1 (92) 100.1 ± 50.1 (142) 99.5 ± 45.4 (234) 0.82
 ED FC (µg/day) 124.5 ± 35.9 (89) 124.0 ± 44.2 (115) 124.7 ±40.9 (207) 0.85
18 months
 HC (mg/m2) 11.3 ± 2.7 (85) 12.0 ± 4.1 (119) 11.8 ± 4.0 (207) 0.14
 ED HC (mg/m2) 13.6 ± 2.9 (84) 14.5 ± 4.4 (119) 14.2 ± 3.9 (206) 0.51
 FC (µg/day) 92.5 ± 40.2 (92) 97.0 ± 48.7 (151) 95.3 ± 45.7 (243) 0.45
 ED FC (µg/day) 117.6 ±36.3 (87) 122.2 ± 44.1 (123) 120.8 ± 41.1 (213) 0.26
24 months
 HC (mg/m2) 11.3 ± 2.5 (80) 11.5 ± 4.2 (110) 11.5 ± 3.6 (192) 0.74
 ED HC (mg/m2) 13.3 ± 2.7 (80) 13.8 ± 4.4 (110) 13.6 ± 3.8 (192) 0.59
 FC (µg/day) 82.9 ± 37.1 (93) 101.8 ± 61.6 (145) 94.4 ± 54.1 (238) <0.01
 ED FC (µg/day) 114.0 ± 37.5 (87) 127.2 ± 48.9 (113) 121.4 ± 44.3 (202) 0.03
30 months
 HC (mg/m2) 11.1 ± 2.6 (81) 11.1 ± 3.2 (102) 11.1 ± 3.0 (186) 0.94
 ED HC (mg/m2) 12.8 ± 2.7 (79) 13.2 ± 3.3 (101) 13.1 ± 3.1 (183) 0.42
 FC (µg/day) 79.3 ± 30.9 (84) 94.3 ± 45.7 (123) 88.2 ± 41.0 (207) <0.01
 ED FC (µg/day) 112.1 ± 33.2 (81) 124.9 ± 46.7 (102) 119.2 ± 41.5 (186) 0.02
36 months
 HC (mg/m2) 11.0 ± 2.6 (89) 11.8 ± 3.8 (102) 11.5 ± 3.4 (194) 0.13
 ED HC (mg/m2) 12.6 ± 2.7 (89) 13.7 ± 3.9 (101) 13.3 ± 3.5 (193) 0.16
 FC (µg/day) 76.9 ± 32.8 (96) 92.3 ± 44.9 (133) 85.8 ± 40.9 (229) <0.01
 ED FC (µg/day) 110.4 ± 33.2 (90) 130.0 ± 46.3 (105) 121.5 ± 41.8 (198) <0.001

*P-value: group difference tested between NST and ST group. Significance was set at the 0.01 level (bold values).

ED HD, glucocorticoid equivalent dose of HC and FC; ED FC, mineralocorticoid equivalent dose of HC and FC; FC, fludrocortisone dosage; HC, hydrocortisone dosage; NST, children did not receive salt supplementation at any time point between birth and 365 days of life; ST, children treated with salt at least between two time points between birth and 365 days of life.