Table 2 Correlation Coefficients and P Values between Each Variable and Patient Outcomes in the Learning Data Set

Age

62.3 ± 13.7

60.1 ± 17.2

0.07

0.550

Witness, n (%)

22 (91.7)

21 (65.6)

Time until ROSC, min

20.1 ± 17.6

28.9 ± 14.8

Witness/Time until ROSC

- 0.48

<0.001

Bystander, n (%)

19 (55.9)

24 (55.8)

0.00

0.995

Initial rhythm, shockable, n (%)^a

24 (72.7)

14 (32.6)

0.40

<0.001

GCS, M ≥ 2, n (%)^{b, h}

29 (87.9)

13 (31.7)

0.56

<0.001

Mydriasis^{c, h}

7 (21.2)

19 (45.2)

- 0.25

0.030

pH^{d, i}

7.23 ± 0.13

6.98 ± 0.21

0.58

<0.001

Lactate (mmol/dL)^{e, i}

8.0 ± 4.0

11.0 ± 4.2

- 0.35

0.003

WBC (10³/ L)ⁱ

10.3 ± 3.4

11.4 ± 4.8

- 0.13

0.263

CRP (mg/dL)^{f, i}

0.20 ± 0.30

1.83 ± 4.24

- 0.25

0.031

Glucose (mg/dL)ⁱ

253 ± 89

266 ± 119

- 0.06

0.601

Creatinine (mg/dL)ⁱ

2.1 ± 3.2

2.3 ± 3.3

-0.03

0.769

Albumin (g/dL)ⁱ

3.9 ± 0.4

3.2 ± 0.7

0.48

<0.001

Hemoglobin (g/dL)ⁱ

14.1 ± 1.8

12.3 ± 2.5

0.37

<0.001

GWR^{g, j}

1.26 ± 0.05

1.21 ± 0.08

0.33

0.005