. Author manuscript; available in PMC: 2023 Jul 5.

Published in final edited form as: Ophthalmology. 2022 Oct 29;130(3):242–255. doi: 10.1016/j.ophtha.2022.10.021

Table 1.

Baseline demographics

	MIGS procedures
	ECP (n=39,084)			XEN (n=6,613)			Goniotomy/Canaloplasty^c (n=33,666)
	Stand-alone (n=2,223)	Phacoemulsification (n=36,861)	P value	Stand-alone (n=4,680)	Phacoemulsification (n=1,933)	P value	Stand-alone (n=8,215)	Phacoemulsification (n=25,451)	P value
Age (mean years, SD)	66.9(13.9)	70.1(7.8)	P<0.001	72.8(9.6)	72.7(7.5)	P=0.835	65.4(16.8)	71.1(8.3)	P<0.001
Male (n, %)	959(43.3)	15,557 (42.3)	P=0.369	2,142(46.0)	990(51.3)	P<0.001	3,795(46.4)	11,415(45.0)	P=0.026
Race			P=0.55			P<0.001			P<0.001
- White	1,485(78.3)	24,802(78.3)	0	3,505(83.6)	1,222(73.1)		5,754(79.3)	14,962(71.5)
- Black	330(17.4)	5,547(17.6)		537(12.8)	379(22.7)		1,097(15.1)	4,779(22.8)
- Other race ^a	81(4.3)	1,192(3.8)		104(3.6)	70(4.9)		403(5.6)	1,190(5.7)
Ethnicity			P<0.00			P=0.046			P=0.056
- Non-Hispanic	1,615(86.1)	29,106(92.9)	1	3,864(92.3)	1,549(90.7)		6,714(91.3)	19,498(90.4)
- Hispanic	260(13.9)	2,234(7.1)		324(7.7)	159(9.3)		644(8.8)	2,081(9.6)
Glaucoma (n, %)			P<0.00			P<0.001			P<0.001
- Suspect	81(10.7)	1,863(20.6)	1	65(1.8)	50(3.5)		280(6.5)	1,231(7.4)
- Primary open angle	402(53.3)	5,646(62.3)		2,949(79.8)	1,081(76.3)		2,874(66.8)	12,510(74.7)
- Primary angle closure	75(9.9)	701(7.7)		70(1.9)	44(3.1)		79(1.8)	788(4.7)
- Normal Tension	14(1.9)	300(3.1)		105(2.8)	63(4.5)		98(2.3)	737(4.4)
- Pigment/Pseudoexfoliation	17(2.3)	242(2.7)		274(7.4)	114(8.1)		463(10.8)	1,000(6.0)
- Secondary glaucoma ^b	166(22.0)	308(3.4)		223(6.3)	64(4.5)		511(11.9)	478(2.9)
Glaucoma severity (n, %)			P<0.00			P=0.195			P<0.001
- Mild	161(19.0)	3,546(33.2)	1	278(7.5)	128(9.0)		643(15.9)	5,117(32.2)
- Moderate	268(31.7)	4,172(39.1)		1,031(27.7)	383(26.8)		1,582(33.8)	5,799(36.5)
- Severe	417(49.3)	2,950(27.7)		2,415(64.9)	918(64.2)		2,351(50.3)	4,964(31.3)
Baseline IOP (mean mmHg, SD)	20.2(6.9)	17.7(4.6)	P<0.001	21.0(6.4)	18.5(5.7)	P<0.001	21.2(6.5)	17.3(4.5)	P<0.001
Baseline VA (mean logMAR, SD)	0.78(0.71)	0.49(0.41)	P<0.001	0.39(0.44)	0.52(0.49)	P<0.001	0.38(0.45)	0.49(0.42)	P<0.001

Abbreviation: MIGS, Microinvasive Glaucoma Surgery; ECP, Endocyclophotocoagulation; IOP, intra-ocular pressure; VA, visual acuity.

Keynote: % = column percentage

^(a)

Other race = non-Hispanic/Latino Asian, or other

^(b)

Secondary glaucoma = glaucoma secondary to medications, trauma, inflammation, unspecified

^(c)

Either Goniotomy, ab interno trabeculotomy, or Trabectome (same CPT code)

Number of missing data: age-12.5%; gender-0.4%; race-15.0%; ethnicity-14.3%; diagnosis-54.7%; severity-53.1%;