Table 5 Sub-analysis stratification of lactate levels by infection status, blood pressure and age in terms of hospital mortality

Lactate Group

Infection Status

Hospital Mortality

p-value

< 2

No

Yes

2 (6.5%)

2 (1.7%)

0.142

2–4

No

Yes

1 (4.3%)

17 (13.4%)

0.220

> 4

No

Yes

14 (40.0%)

47 (40.9%)

0.927

Lactate Group

SBP

Hospital Mortality

p-value

< 2

<90

≥90

3 (15.0%)

1 (0.8%)

<0.001

2–4

<90

≥90

2 (11.1%)

16 (12.1%)

0.902

> 4

<90

≥90

10 (35.7%)

44 (38.3%)

0.803

Lactate group

Age

Hospital Mortality

p-value

< 2

<65

≥65

2 (3.1%)

2 (2.3%)

0.764

2–4

<65

≥65

3 (6.8%)

15 (14.2%)

0.208

> 4

<65

≥65

18 (36.0%)

43 (43.0%)

0.411