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Table 4 Predictive factors for PIH

From: Carotid corrected flow time and Doppler shock index for prediction of post-induction hypotension in patients undergoing elective abdominal surgery: a prospective observational study

Predictors

Unadjusted analysis

OR [95% CI]

Adjusted analysis OR [95% CI]

 

Model 1

Model 2

FT, ms

0.955 [0.933–0.977] **

0.947 [0.924–0.971] **

0.921 [0.883–0.960]**

FTc(W), ms

0.931 [0.900–0.964] **

0.915 [0.878–0.953] **

0.904 [0.859–0.951] **

FTc(B), ms

0.962 [0.937–0.987] **

0.954 [0.927–0.982] **

0.933 [0.898–0.969] **

1/DSIFTc

0.328 [0.173–0.624] **

0.294 [0.150–0.577] **

0.124 [0.037–0.417] **

VTI, cm

0.864 [0.751–0.994] *

0.854 [0.740–0.985] *

0.860 [0.725–0.1.021]

DSIVTI

1.278 [1.041–1.569] *

1.307 [1.060–1.611] *

1.310 [0.966–1.776]

  1. FT Flow time, FTc(W) Carotid flow time corrected by Wodey’s (W) equation, FTc(B) Carotid flow time corrected by Bazett’s (B) equation, DSIFTc Doppler shock index with FTc in the denominator, VTI Velocity time integral, DSIVTI Doppler shock index with VTI in the denominator
  2. Model 1: Adjusted for age Model 2: Adjusted for age, sex, ASA physical status, albumin levels, BMI, baseline MAP, and baseline HR
  3. *P < 0.05
  4. **P < 0.01
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Perioperative Medicine

ISSN: 2047-0525