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Table 1 Odds ratios of mortality for a 1-unit increase in lactate, adjusting for gender, age, APACHE II, mechanical ventilation, and diagnosis type considering the full dataset and three subgroups

From: Hyperlactatemia in critical illness and cardiac surgery

Lactate variable

Number

Odds ratio

Lower 95% CI

Upper 95% CI

Group

LacADM

7,155

1.12

1.09

1.16

Full Group

LacADM

3,166

1.18

1.11

1.26

Surg Only

LacADM

1,614

1.13

1.07

1.21

Card/Vasc Only

LacADM

743

1.35

1.14

1.60

Card/Vasc & Surg Only

LacMAX

7,155

1.15

1.12

1.17

Full Group

LacMAX

3,166

1.14

1.10

1.19

Surg Only

LacMAX

1,614

1.11

1.06

1.15

Card/Vasc Only

LacMAX

743

1.18

1.09

1.27

Card/Vasc & Surg Only

LacTW

7,155

2.08

1.90

2.27

Full Group

LacTW

3,166

2.17

1.83

2.57

Surg Only

LacTW

1,614

2.37

1.92

2.93

Card/Vasc Only

LacTW

743

4.16

2.45

7.07

Card/Vasc & Surg Only

  1. APACHE II, Acute Physiology and Chronic Health Evaluation II; Card/Vasc Only, only cardiac/vascular patients; Card/Vasc & Surg Only, only cardiac/vascular surgery patients; CI, confidence interval; Full group, all patients admitted to the intensive care unit during the study period; LacADM, intensive care unit admission lactate concentration; LacMAX, maximal lactate concentration; LacTW, time-weighted lactate concentration; Surg Only, only surgery patients.