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. 2021 Nov 12;13(11):4047. doi: 10.3390/nu13114047

Table 5.

Prospective study. Serum levels of routine blood biomarkers and key proteins of target pathways in healthy subjects, COVID-19 cases (1–3 days before vitamin D treatment) (C), COVID-19 cases in day 7 (D7), and in day 14 (D14) of vitamin D treatment.

GROUPS
Healthy Subjects
(H)
(n = 23)
COVID-19 (1–3 Days before Vitamin D Treatment) (C) (n = 210) COVID-19 Cases (Day 7 of vit D)
(D7) (n = 97)
COVID-19 Cases (Day 14 of Vit D) (D14)
(n = 95)
p Value for MCT (Multiple Comparison Test)
Age and Sex Adjusted
Serum 25OHD levels (ng/mL)
Mean ± SD
23.44 ± 9.10 16.62 ± 11.85 31.73 ± 12.29 35.46 ± 10.93 H vs.C p < 0.05;
H vs. D14 p < 0.001;
C vs. D7 or D14 p < 0.001;
p > 0.05 for other groups
Post hoc power: 100%
Ca2+ (mg/dL)
Mean ± SD
8.80 ± 0.41 8.49 ± 0.87 9.06 ± 0.90 9.52 ± 0.72 p > 0.05 for all groups
Post hoc power: 37%
PTH (pg/mL)
Mean ± SD
28.97 ± 12.14 53.67 ± 114.78 49.92 ± 124.34 33.93 ± 40.15 p > 0.05 for all groups
Post hoc power: 24%
Nitrate–Nitrite (µM) Mean ± SD 10.18 ± 6.62 16.58 ± 10.89 17.83 ± 11.67 18.53 ± 10.76 H vs. D7or D14 p < 0.05;
p > 0.05 for other groups
Post hoc power: 62%
NOS1 (ng/mL) Mean ± SD 0.81 ± 0.35 3.93 ± 2.45 3.56 ± 2.41 2.89 ± 2.00 H vs. C p < 0.001;
H vs. D7 p < 0.05;
C vs. D14 p < 0.01;
p > 0.05 for other groups
Post hoc power: 98%
DBP (ng/mL) Mean ± SD 258.16 ± 92.86 416.64 ± 279.55 307.67 ± 258.36 289.74 ± 270.07 C vs. D7 or D14 p < 0.001;
p > 0.05 for other groups
Post hoc power: 95%
IL1B (pg/mL) Mean ± SD 4.44 ± 0.75 7.30 ± 3.00 7.54 ± 4.19 7.07 ± 3.49 H vs. Cor D7 p < 0.05;
H vs. D14 p < 0.001;
C vs. D14 p < 0.05;
p > 0.05 for other groups
Post hoc power: 86%
IL6 (pg/mL) Mean ± SD 0.86 ± 0.34 19.27 ± 41.66 27.57 ± 64.32 17.82 ± 43.20 p > 0.05 for all groups
Post hoc power: 22%
IFNg (pg/mL) Mean ± SD 1.10 ± 0.23 28.01 ± 24.63 35.66 ± 23.34 37.05 ± 21.52 H vs. all groups p < 0.0001;
C vs. D7 p < 0.001;
C vs. D14 p < 0.0001;
p > 0.05 for other groups
Post hoc power: 100%
IL17 (pg/mL) Mean ± SD 3.06 ± 1.03 2.09 ± 0.80 1.98 ± 1.21 2.11 ± 1.28 H vs. all groups p < 0.0001;
p > 0.05 for other groups
Post hoc power: 99%
LL37 (ng/mL) Mean ± SD 4.81 ± 2.69 18.51 ± 9.65 15.97 ± 9.23 14.76 ± 6.78 H vs. all groups p < 0.0001;
C vs. D7 p < 0.05;
C vs. D14 p < 0.01;
p > 0.05 for other groups
Post hoc power: 100%
S100B (pg/mL) Mean ± SD 1.43 ± 0.25 3.96 ± 6.28 3.03 ± 3.21 3.00 ± 2.56 H vs.C p < 0.05;
p > 0.05 for other groups
Post hoc power: 57%
ICAM1 (ng/mL) Mean ± SD 71.97 ± 37.92 130.48 ± 84.74 144.15 ± 77.14 145.33 ± 73.56 H vs.D7 p < 0.05;
H vs.D14 p < 0.01;
C vs.D14 p < 0.05;
p > 0.05 for other groups
Post hoc power: 71%
VCAM1 (ng/mL) Mean ± SD 319.84 ± 138.14 496.33 ± 354.93 571.24 ± 371.16 666.65 ± 463.34 p > 0.05 for all groups
Post hoc power: 13%

Bold letters indicating the group names or the significant data.