Table 2. Logistic regression analysis of variables: adjusted odds ratios for mortality outcome ( n  = 2,450) .

Variable	Odds ratio	95% Confidence interval	p- Value
Age, y
< 50	1
50–60	2.71	1.57–4.71	< 0.001
60–70	4.9	2.43–6.91	< 0.001
70–80	5.85	3.45–9.92	< 0.001
≥ 80	8.59	5.01–14.74	< 0.001
Oxygen saturation, %
> 95%	1
90–95%	1.56	1.18–2.05	0.002
< 90%	3.25	2.45–4.28	< 0.001
eGFR mL/min
> 60	1
≥ 30–60	1.76	1.33–2.33	< 0.001
15–30	2.61	1.84–3.69	< 0.001
0–15	1.85	1.28–2.67	< 0.001
D-dimer, µg/mL
< 1	1
1–3	1.81	1.30–2.52	< 0.001
3–10	2.24	1.54–3.27	< 0.001
≥ 10	3.46	2.31–5.19	< 0.001
Time period
First time period	1
Wave	0.53	0.41–0.68	< 0.001
ICU
No ICU	1
ICU	3.72	2.50–5.52	< 0.001
Medication and regimen, intent type
No anticoagulation	1
Apixaban prophylaxis	0.46	0.30–0.71	0.001
Apixaban full therapy	0.57	0.38–0.85	0.006
Enoxaparin prophylaxis	0.49	0.32–0.73	0.001
Enoxaparin full therapy	0.83	0.44–1.56	0.57
UFH prophylaxis twice daily	0.79	0.54–1.17	0.24
UFH prophylaxis thrice daily	1.04	0.54–1.17	0.91
UFH full therapy	0.97	0.51–1.84	0.93

Abbreviations: eGFR, estimated glomerular filtration rate; ICU, intensive care unit; UFH, unfractionated heparin.