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Table 2 Associations between shock index (SI) and mortality among patients with septic shock before the start of vasopressor therapy

From: Evaluation of SI, MSI and DSI for very early (3-day) mortality in patients with septic shock

 

Quartiles of pre-VPs SI

P for trend a

Q1

Q2

Q3

Q4

n

316

317

315

318

 

Range

0.33, 0.77

0.77, 0.93

0.93, 1.13

1.13, 2.82

 

3-day mortality

 Crude model

Ref.

3.46 (1.67, 7.87)

2.55 (1.19, 5.93)

6.43 (3.26, 14.22)

 < 0.0001

 Adjusted model 1

Ref.

3.83 (1.83, 8.77)

3.14 (1.45, 7.38)

8.39 (4.16, 18.87)

 < 0.0001

 Adjusted model 2

Ref.

4.67 (1.64, 16.83)

3.02 (1.01, 11.16)

8.00 (2.92, 28.31)

 < 0.001

In-hospital mortality

 Crude model

Ref.

1.29 (0.88, 1.89)

1.28 (0.87, 1.89)

1.73 (1.20, 2.52)

 < 0.01

 Adjusted model 1

Ref.

1.36 (0.92, 2.01)

1.48 (1.00, 2.21)

2.04 (1.39, 3.02)

 < 0.001

 Adjusted model 2

Ref.

1.15 (0.75, 1.76)

1.21 (0.79, 1.86)

1.39 (0.90, 2.15)

0.13

  1. SI, shock index; Q, quartile; VPs, start of vasopressors
  2. a Multiple logistic regression analysis
  3. b Odds ratios (95% confidence interval) (all such values)
  4. Adjusted for age, gender, race, and ICU care unit
  5. Adjusted for variables in model 1 and SOFA score day-1