Table 2 Symptom distribution by gender

Dizziness

14 (3.2)

20 (8.1)

< 0.001*

Headache

13 (3.0)

20 (8.1)

< 0.001*

Tinnitus

24 (5.5)

13 (5.3)

0.850

Lump in throat

22 (5.0)

21 (8.5)

0.229

Neck pain or stiffness

45 (10.3)

42 (17.1)

0.061

Chest pain

21 (4.8)

12 (4.9)

0.063

Sensation of dyspnea or asphyxia

8 (1.8)

6 (20.4)

0.410

Palpitation

12 (2.8)

15 (6.0)

0.044*

Poor appetite

10 (2.3)

14 (5.7)

0.021*

Stomach ache or abdominal discomfort

25 (5.7)

27 (11.0)

0.031*

Constipation or diarrhea

16 (3.6)

24 (9.7)

0.001*

Low back pain

44 (11.1)

31 (12.6)

0.013*

Sensation of anesthesia

26 (6.0)

27 (11.0)

0.047*

Sensation of heavy limbs

9 (2.1)

21 (8.6)

< 0.001*

Joint pain

23 (5.2)

24 (9.8)

0.004*

Muscle weakness

17 (3.9)

17 (6.9)

0.155

Itchiness

15 (3.5)

12 (4.9)

0.478

Cold sweating

9 (2.1)

9 (3.6)

0.705

Feeling too warm or cold

1 (0.2)

7 (2.8)

< 0.001*

Shuddering

2 (0.4)

4 (1.6)

0.422

Muscle pain

25 (5.7)

23 (9.4)

0.115

Frequent micturition

14 (3.2)

22 (8.9)

0.009*