Table 1.
Clinical characteristics and laboratory findings of patients with prolonged cough with or without laboratory evidence of pertussis
| 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 %) |
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| 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 %) |
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*p <0.05: statistical significant