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Table 4 The frequencies of intraretinal microvascular abnormality and capillary nonperfusion areas in the nine fields in severe nonproliferative diabetic retinopathy (n = 194 eyes)

From: Differential distribution of manifest lesions in diabetic retinopathy by fundus fluorescein angiography and fundus photography

Field

IRMA

NPA

N (%)

OR (95% CI)

P

N (%)

OR (95% CI)

P

Posterior pole

95 (49.0)

reference

 

33 (17.0)

reference

 

Superior

81 (41.8)

0.68 (0.43–1.08)

0.102

36 (18.6)

1.14 (0.63–2.06)

0.653

Superior temporal

21 (10.8)

0.07 (0.04–0.13)

< 0.001

6 (3.1)

0.11 (0.04–0.29)

< 0.001

Temporal

18 (9.3)

0.06 (0.03–0.11)

< 0.001

8 (4.1)

0.15 (0.06–0.37)

< 0.001

Inferior temporal

15 (7.7)

0.04 (0.02–0.09)

< 0.001

13 (6.7)

0.28 (0.13–0.58)

0.001

Inferior

95 (49.0)

1.00 (0.63–1.58)

1.00

38 (19.6)

1.25 (0.70–2.24)

0.458

Inferior nasal

117 (60.3)

1.82 (1.15–2.87)

0.011

75 (38.7)

4.37 (2.54–7.52)

< 0.001

Nasal

104 (53.6)

1.27 (0.81–2.01)

0.297

57 (29.4)

2.52 (1.44–4.38)

0.001

Superior nasal

101 (52.1)

1.18 (0.75–1.85)

0.486

58 (29.9)

2.60 (1.49–4.52)

0.001

  1. IRMA intraretinal microvascular abnormality, NPA capillary nonperfusion areas, OR odds ratios, CI confidence interval