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Table 1 Clinical characteristics and laboratory findings of patients with prolonged cough with or without laboratory evidence of pertussis

From: Adult pertussis is unrecognized public health problem in Thailand

 

Patients with laboratory evidence of pertussis (n = 14)

Patients without laboratory evidence of pertussis (n = 62)

P value

Odd Ratio

95 % CI

Age : mean ± SD

59 ± 16.45 years

54.16 ± 16.66 years

0.33

-

4.96,14.64

 (range)

(28–85)

(15–87)

 age group 15–25 years

0

3(4.83 %)

 age group 26–45 years

3(21.4 %)

18(29.03 %)

 age group 46–65 years

6(48.6 %)

33(53.23 %)

 age group >65 years

5(35.7 %)

18(29.03 %0

Male : female ratio

5:9

23:39

0.92

0.94

0.28,3.16

History of Tdap vaccination

0

0

   

Duration of cough:

 mean ± SD

34.07 ± 31.52 days

30.03 ± 27.42 days

0.63

-

-

 (range)

(14–120 days)

(14–180 days)

Provisional diagnosis:

- allergy

- gastroesophageal reflux

- bronchitis

- bronchial asthma

- post-infectious cough

- others and unknown diagnosis

3 (21.4 %)

1 (7.1 %)

1 (7.1 %)

1 (7.1 %)

1 (7.1 %)

7 (50 %)

17 (27.4 %)

2 (3.2 %)

20 (32.3 %)

2 (3.2 %)

4 (6.5 %)

17(27.4 %)

   

Associated symptoms:

- weight loss

- hoarseness

- headache

- sleep disturbance

- whooping cough

- Influenza-like symptoms

- sneezing attack

3 (21.4 %)

6 (42.9 %)

3 (21.4 %)

3 (21.4 %)

5 (35.7 %)

4 (28.6 %)

4 (28.6 %)

11 (17.7 %)

32 (51.6 %)

16 (25.8 %)

15 (24.2 %)

8 (12.9 %)

22 (35.5 %)

22 (35.5 %)

0.71

0.55

1

1

0.04 *

0.76

0.76

1.26

0.70

0.78

0.86

3.73

0.73

0.73

0.30,5.30

0.22,2.26

0.19,3.17

0.21,3.48

1.00,14.06

0.20,2.59

0.20,2.59

Complications of cough:

-no complication

-urinary incontinence

- rib fracture

- pneumothorax

- inguinal hernia

- seizure

- otitis media or hearing loss

11 (78.6 %)

1 (7.1 %)

0

0

0

0

2 (14.3 %)

49 (79 %)

11 (17.7 %)

0

1 (1.6 %)

0

0

1 (1.6 %)

   
  1. *p <0.05: statistical significant