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. 2022 Nov 25;9:1067277. doi: 10.3389/fmed.2022.1067277

Table 2.

The clinical features and prognosis of pregnancy-related ON in different groups.

Clinical feature All ION AQP4-ON MOG-ON P1 value P2 value P3 value
Number of patients, n 54 21 27 6
Bilateral attack, n (%) 23 (42.6%) 7 (33.3) 13 (48.1) 3 (50) 0.382 0.638 1.000
Ocular pain 48/54 (88.9) 18/21 (85.7) 24/27 (88.9) 6/6 (100.0) 1.000 1.000 1.000
Disk edema 25/54 (46.3) 13/21 (61.9) 7/27 (25.9) 5/6 (83.3) 0.019 0.628 0.016
Abnormal autoimmune antibodies, n (%) 10(18.5) 0 9 (33.3%) 1 (16.7%) 0.003 0.222 0.640
HLA-B27, n (%) 1 (1.9) 0 1 (3.7%) 0 / / /
VA at onset, eyes, n 77 28 40 9
  ≤ 0.1 64 (83.1) 19 (67.9) 37 (92.5) 8 (88.9) 0.021 0.393 0.569
  < 0.5–> 0.1 8 (10.4) 6 (21.4) 2 (5.0) 0 0.057 0.302 1.000
 ≥ 0.5 5 (6.5) 3 (10.7) 1 (2.5) 1 (11.1) 0.298 1.000 0.337
VA at recovery, eyes, n 77 28 40 9
  ≤ 0.1 20 (26.0) 3 (10.7) 17 (42.5) 0 0.006 0.562 0.019
  < 0.5–> 0.1 10 (13.0) 1 (3.6) 9 (22.5) 0 0.039 1.000 0.179
 ≥ 0.5 47 (61.0) 24 (85.7) 14 (35.0) 9 (100.0) 0.000 0.554 0.000
RNFL thickness, eyes, n 54 19 30 5
 Average thickness (mean ± SD) 70.20 ± 16.63 79.0 ± 18.69 62.20 ± 10.82 84.80 ± 11.37 0.001 0.518 0.000
 Superior quadrant (mean ± SD) 81.07 ± 28.25 92.47 ± 34.02 71.27 ± 21.54 96.6 ± 19.09 0.022 0.799 0.019
 Nasal quadrant (mean ± SD) 57.65 ± 10.31 61.53 ± 11.47 54.03 ± 6.49 64.6 ± 16.76 0.050 0.632 0.233
 Inferior quadrant (mean ± SD) 87.22 ± 29.29 104.84 ± 29.77 72.13± 21.09 110.8 ± 16.63 0.000 0.674 0.000
 Temporal quadrant (mean ± SD) 50.80 ± 15.16 55.16 ± 18.47 45.40 ± 7.69 66.6 ± 21.40 0.040 0.244 0.091
 T2 lesions in orbit MRI 49 (90.7) 19 (90.5) 24 (88.9) 6 (100) 1.000 1.000 0.239

VA, visual acuity; RNFL, retinal nerve fiber layer.

Numbers in bold indicate p < 0.05.