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Table 1 Baseline characteristics of study population (n = 334)

From: Headache following vaccination against COVID-19 among healthcare workers with a history of COVID-19 infection: a cross-sectional study in Iran with a meta-analytic review of the literature

Gender (%)

Male

91 (27.2)

Female

243 (72.8)

Type of vaccine (%)

Astrazeneca

43 (12.9)

Sinopharm

54 (16.2)

Sputnik

208 (62.3)

Baharat

23 (6.9)

Others

6 (1.8)

COVID-19 severity (%)

Hospitalization

108 (32.3)

ICU admission

17 (5.1)

Quarantine at home

209 (62.6)

Concomitant symptoms (%)

Joint pain

59 (17.7)

Chilling

13 (3.9)

Muscular pain

72 (21.6)

Runny nose

23 (6.9)

Sleep problem

6 (1.8)

Dizziness

8 (2.4)

Neural symptoms

20 (6.0)

PCR positivity after vaccination (%)

2 (0.6)

Analgesic use after vaccination (%)

28 (8.4)