. 2023 Jun 27;24:172. doi: 10.1186/s12931-023-02472-9

Table 2.

Mortality rates across the four quartiles of D-dimer. FEU: Fibrin equivalent units, N: Number

	First quartile (< 0.30 mg FEU)/L)	Second quartile (0.30–0.44 mg FEU)/L)	Third quartile (0.45–0.77 mg (FEU)/L)	Fourth quartile (≥ 0.78 mg (FEU)/L)
Follow-up (person-years)	3.87	6.15	8.99	14.72
Deaths (n)	7	12	17	29
Mortality rate (%)	4.7	6.4	11.1	18.1

First quartile
(< 0.30 mg FEU)/L)

Second quartile
(0.30–0.44 mg FEU)/L)

Third quartile
(0.45–0.77 mg (FEU)/L)

Fourth quartile
(≥ 0.78 mg (FEU)/L)

Follow-up

(person-years)

3.87

6.15

8.99

14.72

Deaths

(n)

Mortality rate

(%)

4.7

6.4

11.1

18.1