Table 5.

Hazard Ratios (%95 Confidence Intervals) from Cox Proportional Hazards Analysis of Adverse Outcomes

	Severe adverse outcomes		Less severe adverse outcomes		Subsequent operations		Endophthalmitis		Corneal edema		Blindness/low vision
	1	2	1	2	1	2	1	2	1	2	1	2
Primary Trabeculectomy	0.31 (0.26–0.38)	0.49 (0.38–0.62)	0.26 (0.22–0.31)	0.33 (0.27–0.39)	0.70 (0.59–0.83)	0.90 (0.74–1.10)	0.28 (0.24–0.48)	0.53 (0.33–0.86)	0.15 (0.12–0.19)	0.20 (0.16–0.26)	0.33 (0.27–0.41)	0.61 (0.47–0.78)
Trabeculectomy with scarring	0.46 (0.34–0.54)	0.54 (0.42–0.69)	0.46 (0.39–0.55)	0.49 (0.41–0.59)	1.10 (0.91–1.32)	1.23 (1.01–1.50)	0.41 (0.26–0.65)	0.56 (0.35–0.91)	0.31 (0.25–0.40)	0.34 (0.27–0.44)	0.57 (0.45–0.72)	0.81 (0.63–1.03)
Prior diagnosis/procedure
Severe adverse Outcome				1.18 (0.85–1.63)		0.95 (0.68–1.31)		1.11 (0.48–2.57)		1.05 (0.67–1.66)		1.23 (0.85–1.79)
Less severe Outcome		1.53 (1.15–2.02)				1.27 (1.01–1.59)		1.66 (0.98–2.80)		1.54 (0.81–2.93)		1.54 (1.18–2.00)
Age-related macular degeneration		0.99 (0.80–1.21)		0.99 (0.85–1.16)		0.99 (0.86–1.15)		1.05 (0.70–1.57)		0.99 (0.79–1.25)		1.50 (1.25–1.80)
Intra-ocular surgical procedure		1.07 (0.89–1.29)		1.00 (0.87–1.15)		0.87 (0.76–0.99)		1.07 (0.75–1.54)		1.16 (0.95–1.41)		1.03 (0.86–1.23)
Neovascular glaucoma		1.29 (0.72–2.29)		0.44 (0.23–0.87)		0.69 (0.37–1.27)		1.25 (0.43–3.67)		0.51 (0.22–1.17)		2.11 (1.29–3.45)
Uveitic glaucoma		1.26 (0.76–2.08)		1.28 (0.87–1.87)		1.07 (0.73–1.55)		0.53 (0.13–2.16)		1.55 (0.95–2.55)		1.51 (0.98–2.34)
Narrow angle glaucoma		1.17 (0.83–1.64)		1.42 (1.12–1.80)		1.24 (1.00–1.54)		0.99 (0.48–2.04)		1.23 (0.85–1.80)		1.48 (1.09–2.03)
Suspect glaucoma		1.09 (0.84–1.42)		0.90 (0.73–1.11)		0.84 (0.70–1.02)		1.50 (0.95–2.36)		0.91 (0.65–1.26)		0.98 (0.74–1.29)
Other glaucoma		1.06 (0.81–1.38)		1.21 (1.00–1.47)		0.95 (0.79–1.14)		0.44 (0.20–0.95)		1.30 (0.98–1.73)		1.45 (1.15–1.84)
Diabetic retinopathy		1.33 (0.87–2.04)		0.69 (0.46–1.03)		0.95 (0.67–1.35)		1.28 (0.56–2.92)		0.74 (0.43–1.26)		1.41 (0.97–2.06)
Same day cataract surgery		0.64 (0.52–0.77)		0.63 (0.55–0.73)		0.64 (0.57–0.72)		0.43 (0.29–0.65)		0.61 (0.49–0.77)		0.58 (0.48–0.71)
Demographic Characteristics
Age		1.02 (1.00–1.03)		1.01 (1.00–1.02)		0.99 (0.98–1.00)		1.02 (0.99–1.05)		1.02 (1.00–1.04)		1.04 (1.02–1.05)
Male		1.15 (0.97–1.35)		1.08 (0.95–1.22)		1.00 (0.90–1.12)		1.04 (0.74–1.46)		0.91 (0.75–1.10)		1.11 (0.94–1.31)
Black		0.79 (0.63–1.00)		0.88 (0.74–1.04)		1.05 (0.91–1.21)		1.01 (0.65–1.56)		0.80 (0.61–1.04)		1.73 (1.43–2.09)
Other		0.77 (0.48–1.21)		1.17 (0.88–1.56)		0.88 (0.65–1.18)		0.52 (0.17–1.65)		1.68 (1.15–2.45)		1.44 (0.99–2.09)

Notes: 1 = Not including prior diagnosis/procedure or demographic characteristics; 2 = includes all covariates.