Table 1 Demographic and clinical data in relation to neurophysiological variants at admission.

From: Early electrophysiological study variants and their relationship with clinical presentation and outcomes of patients with Guillain-Barré syndrome

Clinical findings at onset

AIDP

Primary axonal including inexcitable forms

p value*

(N = 31)

(N = 26)

Demographic data

 Age: mean SD (range of age years)

36.81 ± 18.31

34.24 ± 16.13

0.58

 Sex: Male/Female Number (%)

18/13(58.1/41.9%)

14/12(53.8/46.2%)

0.74

 Residency: Urban/Rural Number (%)

14/17(45.2/54.8%)

8/18(30.8/69.2%)

0.27

Duration of each event

 Days between antecedent event and onset of GBS: Mean ± SD

8.26 ± 7.57

7.58 ± 7

0.72

 Duration of antecedent event: Mean ± SD

1.84 ± 1.61

1.85 ± 1.51

0.98

 Days between onset of weakness and admission: Mean ± SD

8.1 ± 5.04

5.35 ± 3.63

0.02

 Number of cases with antecedent events = 39 (68.4%)

17(54.8%)

22(84.6%)

0.016

 Upper RT infection ± fever: Number (%)

14(82.35%)

12(54.54%)

0.94

 GIT infection: Diarrhea ± vomiting: Number (%)

3(17.6%)

10(45.45%)

0.01

Days between onset and admission

 > 7 days

14(45.2%)

7(26.9%)

0.15

 4–7 days

7(22.6%)

4(15.3%)

 ≤ 3 days

10(32.3%)

15(57.6%)

Days between onset and electrophysiology study

 > 10–15 days

15(48.4%)

6(23.1%)

0.14

 5–10 days

15(48.4%)

19(73.1%)

 ≤ 4 days

1(3.2%)

1(3.8%)

Cranial nerves affection

 Presence

18(58.1%)

19(73.07%)

0.23

 Absence

13(41.9%)

7(26.9%)

 

Papilledema and blurred vision

 Present

5(16.1%)

8(30.7%)

0.19

 Absent

26(83.9%)

18(69.2%)

 

Neck muscle

 Affected

9(29%)

17(65.38%)

 < 0.006

 Not affected

22(71%)

9(34.6%)

 

Sensory affection

 Hypoesthesia

29(93.5%)

13(50%)

 < 0.0001

 Intact sensation

2(6.5%)

13(50%)

 

Cough reflex

 Impaired cough reflex

12(38.7%)

18(69.2%)

0.022

 Preserved

19(61.3%)

8(30.7%)

 

MRC sum score

 At onset Mean ± SD

27.16 ± 13.96

15.15 ± 11.45

0.001

 At nadir Mean ± SD

31.16 ± 13.93

18.23 ± 13.43

0.001

EGRIS at onset

 Low risk

11(35.5%)

0

0.001

 Intermediate risk

7(22.6%)

7(26.9%)

 

 High risk

13(41.9%)

19(73.07%)

 

Mechanical ventilation

 Mechanical ventilated

0

4(15.3%)

0.024

 Not ventilated

31(100%)

22(84.6%)

 

Autonomic affection (dysautonomia)

 Present

7(22.6%)

10(38.4%)

0.192

 Absence

24(77.4%)

16(61.5%)

 

 Treatment

 Plasma exchange

24(77.4%)

22(84.6%)

0.49

 IVIG

7(22.6%)

4(15.3%)

 
  1. *RT respiratory tract, GIT gastrointestinal; EGRIS erasmus guillain barre respiratory insufficiency score risk.