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Table 6 Levene, Welch and one way ANOVA output

From: Cognitive impact after short-term exposure to different proton pump inhibitors: assessment using CANTAB software

Tests Used

Feature of Test

Sub-Test

Homogeneity of Variances Test

Robust Test

ANOVA

p Value of Levene’s Test

p Value of Welch Test

Screening/ Familiarization Tests

Motor Screening (MOT)

MOT Mean latency

0.052

 

F(4,45)= 0.371, p=0.828

MOT Mean error

0.203

F(4,45)= 0.507, p=0.731

Visual Memory Test

Paired Associative Learning (PAL)

PAL Total errors (adjusted)

0.097

F(4,45)=0.724, p=0.580

PAL Total errors (6 shapes, adjusted)

0.516

F(4,45)=1.222, p=0.315

Attention Test

Reaction Time (RTI)

RTI Five-choice movement time

0.298

F(4,45)=0.925, p=0.458

RTI Five-choice reaction time

0.204

F(4,45)=1.629, p=0.183

Rapid Visual Information Processing (RVP)

RVP A'

0.041

0.740

F(4,45)=0.417, p=0.796

Executive Function Test

Spatial Working Memory (SWM)

SWM Between errors

0.271

 

F(4,45)=0.149, p=0.962

SWM Strategy

0.126

F(4,45)=0.984, p=0.426

  1. One way ANOVA was employed to analyze the five test groups (omeprazole, lansoprazole, rabeprazole, pantoprazole, esomeprazole) at alpha level (<0.05)