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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Retina. 2015 Jan;35(1):29–42. doi: 10.1097/IAE.0000000000000256

Table 2.

Retinal hemorrhage at initial visit and median time to resolution

Location of Hemorrhage Grade Time to Resolution, months Median (25th-75th percentile)
None Mild Moderate Severe
Non-ischemic CRVO
(n=490, 2 missing; except peripheral 5 missing, disc 3 missing)
Fovea (center) 255 (52%) 140 (29%) 61 (12%) 34 (7%) 8.5 (5.2–14.2)
Perifovea 123 (25%) 225 (46%) 108 (22%) 34 (7%) 9.3 (5.2–17.3)
Macular 71 (14%) 228 (47%) 151 (31%) 40 (8%) 9.4 (8.4–10.3)
Post. Pole 49 (10%) 240 (49%) 149 (31%) 52 (11%) 9.5 (6.2–17.6)
Peripheral 9 (2%) 334 (69%) 112 (23%) 32 (7%) 20.7 (8.5–40.9)
Disc 299 (61%) 122 (25%) 58 (12%) 10 (2%) 4.6 (3.4–6.3)
Peripapillary 143 (29%) 158 (32%) 109 (22%) 80 (16%) 6.8 (4.3–10.2)
Ischemic CRVO as first diagnosis
(n=88, 1 missing; except post. pole 2 missing, disc 4 missing)
Fovea (center) 11 (13%) 21 (24%) 20 (23%) 35 (40%) 9.4 (6.2–17.7)
Perifovea 5 (6%) 15 (17%) 31 (35%) 37 (42%) 12.2 (8.6–33.6)
Macular 2 (2%) 14 (16%) 33 (38%) 39 (44%) 17.5 (10.5–40.0)
Post. Pole 3 (3%) 11 (13%) 34 (39%) 39 (45%) 18.9 (14.5–48.0)
Peripheral 1 (1%) 15 (17%) 36 (41%) 36 (41%) 34.4 (19.5–59.8)
Disc 47 (55%) 19 (22%) 11 (13%) 8 (9%) 4.8 (3.7–7.7)
Peripapillary 7 (8%) 12 (14%) 28 (32%) 41 (47%) 9.9 (7.2–14.4)
Ischemic CRVO converted from non-ischemic CRVO
(n=46, 1 missing)
Fovea (center) 6 (13%) 7 (15%) 9 (20%) 24 (52%) 8.5 (6.2–13.4)
Perifovea 2 (4%) 4 (9%) 15 (33%) 25 (54%) 10.4 (7.9–14.7)
Macular 2 (4%) 1 (2%) 15 (33%) 28 (61%) 13.4 (9.5–21.7)
Post. Pole 1 (2%) 4 (9%) 15 (33%) 26 (57%) 14.7 (10.3–44.9)
Peripheral 1 (2%) 5 (11%) 21 (46%) 19 (41%) 38.7 (16.9–69.1)
Disc 24 (52%) 15 (33%) 3 (7%) 4 (9%) 3.3 (2.9–6.2)
Peripapillary 4 (9%) 6 (13%) 10 (22%) 26 (57%) 8.2 (5.7–13.4)