Table 1 Baseline characteristics

Male, n (%)

14

(45.2)

23

(74.2)

14

(50.0)

Median (IQR) age (years)

30.1

(23.1–47.8)

38.4

(25.5–47.4)

33.9

(27.1–40.5)

Median (IQR) body mass index (kg/m²)

22.5

(21.0–23.7)

22.3

(19.6–25.2)

22.2

(20.5–24.7)

Smoking history, n (%)

Non-smokers

20

(64.5)

21

(67.7)

22

(78.6)

Former smokers

8

(25.8)

6

(19.4)

1

(3.6)

Current smokers

3

(9.7)

4

(12.9)

5

(17.9)

Comorbidity (yes), n (%)

5

(16.1)

8

(25.8)

6

(21.4)

COVID-19 vaccination status, n (%)

None

1

(3.2)

0

(0.0)

1

(3.6)

One dose

0

(0.0)

1

(3.2)

0

(0.0)

Two doses

10

(32.3)

9

(29.0)

13

(46.4)

Three doses

14

(45.2)

16

(51.6)

13

(46.4)

Four or more doses

6

(19.4)

5

(16.1)

1

(3.6)

Median (IQR) days from onset to diagnosis

2

(1–2)

2

(1–2)

2

(1–2)

Median (IQR) pulse oximetry (SpO₂)

99

(98–99)

98

(98–99)

98

(98–99)

Median (IQR) salivary Ct value

38.0

(36.5–39.8)

38.6

(35.3–41.2)

35.2

(32.6–38.1)