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Table 3 Multivariate logistic regression model fit test and Parallel line test

From: Determinants of difficult laryngoscopy based on upper airway indicators: a prospective observational study

Model likelihood ratio test

Parallel line test

Model

log− 2

F-value

V-value

P-value

Model

log− 2

F-value

V-value

P-value

intercept

177.54

   

Original

137.40

   

ultimate

137.40

40.13

9

0.00*

routine

131.05

 

9

0.70