03 October 2022>: Clinical Research
Effect of Vitamin D Concentration on Course of COVID-19
Magdalena Dominika Szerszeń 12ABDEF* , Aleksandra Kucharczyk 1BDEF , Katarzyna Bojarska-Senderowicz 1BDE , Monika Pohorecka 12ADE , Andrzej Śliwczyński 3CD , Janusz Engel 4C , Tomasz Korcz 5B , Dariusz Kosior 6A , Irena Walecka 7A , Wojciech Stefan Zgliczyński 8A , Waldemar Wierzba 910G , Adam Jerzy Sybilski 12ADFDOI: 10.12659/MSM.937741
Med Sci Monit 2022; 28:e937741
Table 4 Correlation between age, vitamin D serum level, and oxygen therapy (MANOVA test).
One-way MANOVA | ||||
---|---|---|---|---|
Age | VIT D 3 (ng/ml) | |||
SS [BG] | 45 041,87756 | 1592.355784 | ||
SS [WG] | 173 811.4769 | 103 307.1697 | ||
df [BG] | 1 | 1 | ||
df [WG] | 503 | 503 | ||
F-statistic | 130.348495 | 7.75314 | ||
value | 0.005564 | |||
Equality of variance – Brown-Forsythe | ||||
F-statistic | 39.76341 | 0.152249 | ||
value | 0.69656 | |||
Equality of variance – Levene | ||||
F-statistic | 38.732907 | 0.847033 | ||
value | 0.357834 | |||
F correction [Brown-Forsythe] | ||||
F-statistic | 145.381197 | 7.789529 | ||
Degrees of freedom | 1/502,76916 | 1/451.665496 | ||
value | 0.005478 | |||
F correction [Welch] | ||||
F-statistic | 145.381197 | 7,789529 | ||
Degrees of freedom | 1/502.76916 | 1/451.665496 | ||
value | 0.005478 | |||
* Patients without oxygen therapy; ** patients who need oxygen therapy. | ||||
MANOVA for independent groups | ||||
Univariate MANOVA for independent groups | ||||
Variables analyzed | Age; vitamin D3 (ng/ml); Oxygen therapy | |||
Numerosity/uninterpreted | 0 | |||
Numerosity/lack of data | 0 | |||
Significance level | 0.05 | |||
Grouping variable | Oxygen therapy | |||
Numerosity | 505 | |||
Number of groups | 2 | |||
Number of variables in the model | 2 | |||
Wilk’s lambda | 0.777974 | |||
Eta-square | 0.222026 | |||
df1 | 2 | |||
df2 | 502 | |||
F-statistic | 71.632777 | |||
value | ||||
Hotelling-Lawley Trace | 0.28539 | |||
Eta-square | 0.222026 | |||
df1 | 2 | |||
df2 | 502 | |||
F-statistic | 71.632777 | |||
value | ||||
Pillai-Bartlett Trace | 0.222026 | |||
Eta-square | 0.222026 | |||
df1 | 2 | |||
df2 | 502 | |||
F-statistic | 71.632777 | |||
value | ||||
BOX | ||||
Degrees of freedom 1 | 3 | |||
Degrees of freedom 2 | 15 466 391.6 | |||
BOX M statistic | 29.556415 | |||
F-statistic | 9.807953 | |||
value | 0.000002 | |||
* Patients without oxygen therapy; ** patients who need oxygen therapy. | ||||
Descriptive statistics | ||||
0* | 1** | |||
Mean | Standard deviation | Mean | Standard deviation | |
Age | 53.293919 | 20.764003 | 72.469 | 14.971776 |
Vitamin D3 (ng/ml) | 21.318311 | 14.411123 | 17.713 | 14.216971 |
* Patients without oxygen therapy; ** patients who need oxygen therapy. |