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Table 3 Predictive factors for PIH

From: Pupil maximum constriction velocity predicts post-induction hypotension in patients with lower ASA status: a prospective observational study

Predictors Unadjusted analysis
OR [95% CI]
Adjusted analysis OR [95% CI]
Model 1 Model 2
ACV, mm/s 0.210 [0.068–0.646] ** 0.275 [0.086–0.879] * 0.240 [0.067–0.866] *
MCV, mm/s 0.328 [0.171–0.628] ** 0.382 [0.193–0.756] ** 0.369 [0.177–0.772] **
CR, % 1.171 [1.045–1.312] ** 1.175 [1.044–1.323] ** 1.185 [1.043–1.346] **
  1. * P < 0.05, ** P < 0.01. ACV Average Constriction Velocity, \(ACV=\frac{BPD- MPD}{PCT}\), MCV Maximum Constriction Velocity and CR Constriction Ratio (%), \(CR=\left(\frac{MPD}{BPD}\right)\times 100\%\)  
  2. Model 1: Adjusted for age
  3. Model 2: Adjusted for age, sex, ASA physical status, albumin levels, BMI, and baseline MAP