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Table 2 The rate of adverse effects by group

From: Vitamin C as an adjuvant for treating major depressive disorder and suicidal behavior, a randomized placebo-controlled clinical trial

Adverse effect

Vitamin C group n (%)

Placebo group n (%)

Ā 

Nausea

12 (57.1)

11 (52.4)

X2ā€‰=ā€‰0.09, dfā€‰=ā€‰1, Pā€‰=ā€‰.7

Fatigue

9 (42.8)

8 (38.1)

X2ā€‰=ā€‰0.09, dfā€‰=ā€‰1, Pā€‰=ā€‰.5

Dry mouth

7 (33.3)

9 (42.9)

X2ā€‰=ā€‰0.4, dfā€‰=ā€‰1, Pā€‰=ā€‰.5

Pain

6 (28.6)

8 (38.1)

X2ā€‰=ā€‰0.4, dfā€‰=ā€‰1, Pā€‰=ā€‰.5

Sweating

0

4

-

Decreased appetite

4 (19)

6 (28.6)

-

Abdominal pain

3 (14.3)

3 (14.3)

-

Increased appetite

3 (14.3)

0 (0.0)

-

Restlessness

3 (14.3)

2 (9.5)

-

Insomnia

3 (14.3)

1 (4.8)

-

Blurred vision

0

3 (14.3)

-

Itch

0

2 (9.5)

-

Tremor

0

2 (9.5)

-

Dizziness

1 (4.8)

2 (9.5)

-

Daytime drowsiness

2 (9.5)

0

-

Drooling

1 (4.8)

0 (0.0)

-

Nervousness

1 (4.8)

1 (4.8)

-

Constipation

0

1 (4.8)

-

Lethargy

0

1 (4.8)

-

Tachycardia

0

1 (4.8)

-

Dystonia

0

0

-

Diarrhea

0

1 (4.8)

-