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Table 4 The construct validity of the scale

From: Development of a valid and reliable pterygium surgery assessment scale for ophthalmology residents

   

Estimate

S.E.

P

AVE

CR

Preoperative preparation

<---

Basic surgical skills

0.640

  

0.584

0.874

Local anesthesia

<---

Basic surgical skills

0.753

0.118

< 0.001

Microscope use

<---

Basic surgical skills

0.731

0.107

< 0.001

Instrument handling

<---

Basic surgical skills

0.762

0.106

< 0.001

Postoperative clean up

<---

Basic surgical skills

0.911

0.116

< 0.001

Conjunctival incision

<---

Petrygium dissection

0.739

  

0.571

0.842

Pterygium head dissection

<---

Petrygium dissection

0.753

0.099

< 0.001

Pterygium body separation and dissection

<---

Petrygium dissection

0.768

0.086

< 0.001

Removal of residual pterygium

<---

Petrygium dissection

0.763

0.094

< 0.001

Hemostasis

<---

Ocular surface reconstruction

0.781

  

0.631

0.835

Conjunctival autograft acquisition

<---

Ocular surface reconstruction

0.682

0.074

< 0.001

Autograft suturing

<---

Ocular surface reconstruction

0.904

0.098

< 0.001

  1. S.E. Standard error, AVE Average variance extracted, CR Composite reliability