feature

Observation group (n = 90)

Control group (n = 80)

t

P值

D-dimer

0.623 ± 0.88

0.281 ± 0.30

5.171

0.000

RDW

39.03 ± 3.02

38.70 ± 2.79

0.740

0.460

Lymphocyte count

1.97 ± 0.61

2.23 ± 0.79

2.415

0.017

RLR

22.55 ± 11.62

18.52 ± 4.31

4.429

0.000