Table 4 Regression analysis for visualization of iris vessels and anterior chamber angle vessels according to neonatal sociodemographic and clinical characteristics

Sex (female)

0.000**

6.313

2.529–15.759

0.13

0.589

0.298–1.168

Gestation age at birth (wk)

0.546

1.142

0.742–1.759

0.245

1.243

0.861–1.795

Birth weight (g)

0.621

1

0.999–1.002

0.081

0.999

0.997 -1

Gestational age at examination (wk)

0.000**

0.377

0.247–0.575

0.847

1.026

0.79–1.332

Weight at examination (g)

0.152

1

1-1.002

0.428

1

0.999-1

Iris color

 Brown

Reference

Reference

Reference

Reference

Reference

Reference

 Light brown

0.000**

74.063

18.835-291.232

0.215

1.753

0.721–4.261

 Light grey

0.000**

26.751

4.265-167.785

0.999

NA

NA

PHPV

0.895

0.856

0.084–8.707

0.084

4.053

0.828–19.834

PPM

0.632

0.098

0.022–0.429

0.376

0.584

0.178–1.918