Table 2.

Primary and secondary outcome measures, for vitamin D-deficient and -replete groups

Outcome measures
	Median value (IQR)
Serum markers	Vitamin D ≤30 nmol/L	Vitamin D >30 nmol/L	Difference	P value
Peak CRP (mg/L)	191.00 (108.00–274.00)	155.00 (96.00–252.00)	−36	0.32
Peak LDH (IU/L)	272.50 (217.25–367.50)	239.50 (180.50–333.00)	−33	0.17*
Peak ferritin (μg/L)	518.50 (894.00–1109.25)	484.50 (221.00–715.50)	−34	0.40*
Peak D-dimer (μgFEU/L)	1914.00 (1323.75–3131.50)	1268.00 (1003.50–2273.00)	−646	0.034
Peak troponin(ng/L)	37.00 (26.00–95.00)	42.00 (25.00–88.00)	5	0.83*
Trough lymphocyte count (×109/L)	0.56 (0.44–0.78)	0.68 (0.54–0.95)	0.12	0.15*
	N (%)		OR (CI)	P value
Chest X-ray changes	11 (28.20)	8 (25.80)	1.13 (0.39–3.28)	0.82
Ventilation requirement	12 (30.77)	3 (9.68)	4.15 (1.05–16.34)	0.042
Mortality	6 (15.38)	4 (12.90)	1.40 (0.36–5.47)	0.5

^*P value derived using a parametric technique on logarithmically transformed data.

CRP, C reactive protein; LDH, lactate dehydrogenase.