Table 3:

Number, size, and location of spinal cord lesions for rater 1 and assessment of spinal cord morphologic featuresa

Quantitative AnalysesNMOSD (n = 57)MS (n = 55)P ValuecAccuracyκ Value
Total No. of lesions86102
    Per patient1 (1–2, 0–6)1 (0–3, 0–6).77
Longitudinal length (mm)47 (17–109, 4.5–408)13 (9.0–20, 4.0–208)<.001
    In cervical region (mm)23 (9.5–36, 4.5–149)13 (8.4–21, 4.0–110).077
    In thoracic region (mm)63 (25–131, 6.0–408)13 (9.4–20, 4.1–208)<.001
Transverse diameter (mm)4.4 (3.2–6.2, 1.8–13)4.4 (3.6–5.3, 1.9–11).99
    In cervical region (mm)5.8 (3.6–7.5, 1.9–13)4.7 (4.0–5.8, 1.9–11).55
    In thoracic region (mm)4.2 (3.1–5.7, 1.8–10)4.0 (3.5–4.8, 2.3–7.3).76
Intramedullary locationb
    Central66 (76.7)59 (57.8).007d
    Peripheral11 (12.8)32 (31.4)
    Both9 (10.5)11 (10.8)
Morphologic assessment
    Atrophyb17 (29.8)5 (9.1).008d0.400.53
    Swellingb19 (33.3)8 (14.5).027d0.410.67
  • a Unless otherwise indicated, data are medians, with interquartile range and total range in parentheses.

  • b Data in parentheses are percentages.

  • c Mann-Whitney U test.

  • d Fisher exact test.