Table 2 Antibody indexes for all study patients

Patients with 0 positive AI

16.5%

31.0%

77.1%

p < 0.0001 for both MS groups vs. OIND; p < 0.05 between MS groups

Patients with 1 positive AI

29.1%

26.0%

14.6%

all comparisons: n.s.

Patients with 2 positive AI

25.2%

25.0%

6.3%

p < 0.01 for both MS groups vs. OIND; between MS groups: n.s.

Patients with 3 positive AI

29.1%

18.0%

2.1%

p < 0.01 for both MS groups vs. OIND; between MS groups: n.s.

Positive AI for M

62.1%

48.0%

6.3%

p < 0.001 for both MS groups vs. OIND; p < 0.05 between MS groups

Positive AI for R

57.3%

43.0%

12.5%

p < 0.001 for both MS groups vs. OIND; p < 0.05 between MS groups

Positive AI for Z

48.5%

39.0%

14.6%

p < 0.05 for both MS groups vs. OIND; between MS groups: n.s.

Mean AI for M (range; SD)

3.3 (0.8–20.3; 3.2)

3.2 (0.6–52.2; 6.3)

1.0 (0.6–2.6; 0.3)

p < 0.01 for both MS groups vs. OIND; between MS groups: n.s.

Mean AI for R (range; SD)

3.1 (0.5–24.0; 4.0)

3.0 (0.5–19.8; 4.0)

1.2 (0.6-8.3; 1.2)

p < 0.01 for both MS groups vs. OIND; between MS groups: n.s.

Mean AI for Z (range; SD)

3.0 (0.6–19.8; 3.7)

2.5 (0.6–25.4; 3.5)

1.2 (0.4–3.8; 0.6)

p < 0.05 for both MS groups vs. OIND; between MS groups: n.s.