Table 4 Gender.

Age at time of LP

143/188

41.11 ± 16.31

35.06 ± 14.51

3.507

285.76

0.001^a

Duration of illness (months)

124/153

81.85 ± 118.11

63.93 ± 87.62

1.41

221.54

0.161^a

Age at onset of disease (years)

128/166

35.15 ± 13.69

30.63 ± 13.47

2.83

292

0.005^a

Protein level (mg/dl)

140/188

35.53 ± 13.92

41.27 ± 15.32

−3.49

326

0.001^a

Protein level elevated (yes/no)

328

21/119

44/144

3.57

1

0.059^b

Albumin ratio

142/188

5.34 ± 2.36

6.25 ± 2.74

−3.15

328

0.002^a

Albumin ratio elevated (yes/no)

330

26/116

71/117

14.76

1

<0.001^b

White blood cell count (cells/µl)

141/188

1.48 ± 1.86

1.62 ± 1.75

−0.721

327

0.471^a

Pleocytosis (> 4/µl)) (yes/no)

329

8/133

12/176

0.071

1

0.790^b

Pleocytosis (> 5/µl)) (yes/no)

329

5/136

7/181

0.007

1

0.932^b

Pleocytosis (> 6/µl)) (yes/no)

329

4/137

4/184

0.729^c

OCB (yes/no)

329

51/91

71/116

0.146

1

0.703^b

OCB intrathecal synthesis (yes/no)

122

16/35

23/48

0.014

1

0.905^b