Table 3 Clinical appearance of EM patients with or without exposition to other tick-borne agents

Female, n (%)

8 (50%)

16

73 (61%)

118

0.36^e

Age, mean (SD)

53.6 (20.7)

16

54.7 (15.3)

119

0.79^f

Days from tick-bite to EM, median (IQR)

21 (8–25)

11

11 (5–21)

74

0.21^g

Days from EM to treatment, median (IQR)

5 (2–20)

15

7 (2–16)

103

0.87^g

Diagnostic accuracy “very sure”^a, n (%)

12 (75%)

16

81 (68%)

119

0.78^h

EM duration, median (IQR)

14 (8–28)

16

14 (9–21)

119

0.66^g

Concomitant symptoms^b, median (IQR)

2 (0–3)

16

1 (0–2)

119

0.50^g

Fever, n (%)

1 (6.3%)

16

4 (3.4%)

117

0.48^h

EM color^c, mean (SD)

3.6 (0.89)

16

3.27 (0.89)

119

0.13^f

EM diameter (cm), median (IQR)

10 (6–11)

16

10 (7–14)

116

0.69^g

EM appearance “Bulls eye”, n (%)

11 (69%)

16

59 (50%)

117

0.16^e

Bbsl biopsy pos., n (%)

12 (86%)

14

58 (66%)

88

0.22^h

Antibiotic treatment^d, n (%)

A: 2 (13%)

B: 5 (31%)

C: 9 (56%)

16

A: 38 (32%)

B: 41 (34%)

C: 40 (34%)

119

N/A