Table 3.

Baseline Iris Area

Characteristic	Regression Parameter (95% CI)	P Value	Groups Different, Adjusted P ≤ 0.05
Origin		0.0001
1 European (r)	0		1, 3
2 African	−0.048 (−0.250, 0.154)		1, 4
3 Chinese	−0.388 (−0.603, −0.173)		2, 3
4 Korean	−0.541 (−0.826, −0.257)		2, 4
5 Indian	−0.219 (−0.436, −0.002)
6 Other	−0.176 (−0.388, 0.036)
Iris color		0.0005
1 Blue	−0.485 (−0.758, −0.213)		1, 3
2 Intermediate	−0.374 (−0.616, −0.133)		2, 3
3 Brown (r)	0
Diagnosis		0.03	1, 2
1 Normal/OAGS/OAG (r)	0
2 PACS/PAC/PACG	0.144 (0.017, −0.270)

Multivariable linear regression model, Tukey adjustment for multiple comparisons, n = 191. r, regression coefficient.