Table 5 IRRs of each type of surgical procedure per region

Sub-Saharan Africa

 Cataract

0.44

0.35–0.55

< 0.001

 Cornea

0.38

0.29–0.51

< 0.001

 Glaucoma

0.72

0.52–1.01

0.061

 Oncology

0.71

0.48–1.05

0.087

 Orbital/oculoplastic

0.50

0.36–0.69

< 0.001

 Strabismus

0.19

0.11–0.32

< 0.001

 Trauma

0.90

0.63–1.28

0.562

 Vitreoretinal

0.67

0.42–1.08

0.099

 Other

0.71

0.49–1.02

0.065

West Africa

 Cataract

0.73

0.54–0.99

0.043

 Cornea

0.41

0.27–0.63

< 0.001

 Glaucoma

0.81

0.46–1.40

0.447

 Oncology

0.60

0.31–1.14

0.118

 Orbital/oculoplastic

0.72

0.47–1.11

0.133

 Strabismus

1.50

0.68–3.30

0.313

 Trauma

1.25

0.81–1.92

0.302

 Vitreoretinal

0.82

0.39–1.75

0.607

 Other

0.73

0.41–1.31

0.295

Central Africa

 Cataract

0.48

0.23–0.98

0.045

 Cornea

0.64

0.22–1.86

0.407

 Glaucoma

1.01

0.46–2.22

0.977

 Oncology

0.83

0.51–1.32

0.424

 Orbital/oculoplastic

0.75

0.33–1.68

0.48

 Strabismus

0.44

0.18–1.11

0.083

 Trauma

0.79

0.48–1.28

0.337

 Vitreoretinal

0.72

0.08–6.79

0.772

 Other

0.51

0.19–1.39

0.192

East Africa

 Cataract

0.49

0.31–0.78

0.002

 Cornea

0.88

0.16–4.95

0.880

 Glaucoma

0.30

0.04–2.17

0.233

 Oncology

2.0

0.18–22.1

0.571

 Orbital/oculoplastic

8.5

1.42–50.7

0.019

 Strabismus

0

0

0

 Trauma

4

1.3–12.2

0.015

 Vitreoretinal

0

0

0

 Other

0

0

0

Southern Africa

 Cataract

0.29

0.20–0.42

< 0.001

 Cornea

0.29

0.20–0.42

< 0.001

 Glaucoma

0.57

0.35–0.91

0.019

 Oncology

0.71

0.43–1.17

0.173

 Orbital/oculoplastic

0.40

0.26–0.62

< 0.001

 Strabismus

0.03

0.01–0.06

< 0.001

 Trauma

0.88

0.54–1.43

0.597

 Vitreoretinal

0.58

0.34–0.99

0.045

 Other

0.68

0.41–1.12

0.126