Table 3 Performance of models with SDF-1 to predict clinical outcomes among ischemic stroke patients with different diabetes status

NRI (category)

IDI

Calibration

NRI (category)

IDI

Calibration

Estimate

(95% CI), %

P Value

Estimate

(95% CI), %

P Value

χ²

P Value

Estimate

(95% CI), %

P Value

Estimate

(95% CI), %

P Value

χ²

P Value

Recurrent Stroke at 1 year

Conventional model

Reference

Reference

10.57

0.23

Reference

Reference

7.14

0.52

Conventional model + SDF-1

51.77 (17.02–86.52)

0.006

1.74 (0.53–2.94)

0.005

7.51

0.48

5.20 (-13.09-23.50)

0.58

0.005 (-0.02-0.03)

0.75

7.96

0.44

Cardiovascular events at 1 year

Conventional model

Reference

Reference

3.00

0.93

Reference

Reference

4.14

0.84

Conventional model + SDF-1

42.29 (11.73–72.84)

0.008

1.39 (0.31–2.46)

0.01

4.07

0.85

8.78 (-7.45-25.02)

0.29

0.14 (0.00-0.27)

0.05

8.71

0.37

All-cause mortality at 1 year

Conventional model

Reference

Reference

18.82

0.02

Reference

Reference

9.26

0.32

Conventional model + SDF-1

33.03 (1.26–64.80)

0.04

0.69 (-0.78-2.16)

0.36

13.22

0.10

6.46 (-9.31-22.24)

0.42

0.05 (-0.11-0.21)

0.51

8.27

0.41