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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