From: Pertussis detection in children with cough of any duration
Laboratory confirmed pertussisa | P value | ||
---|---|---|---|
Yes N = 26 | No N = 87 | ||
Age group (months) | |||
0 - <12, n(%) | 14 (53.9) | 27 (31.0) | 0.0686 |
12–36, n(%) | 2 (7.7) | 19 (21.8) | |
36 +, n(%) | 10 (38.5) | 41 (47.1) | |
Gender | |||
Male, n(%) | 17 (65.4) | 60 (69.0) | 0.7310 |
Female, n(%) | 9 (34.6) | 27 (31.0) | |
Contact with cough patient | |||
Yes, n(%) | 14 (53.9) | 39 (44.8) | 0.4188 |
No, n(%) | 12 (46.2) | 48 (55.2) | |
Clinical features | |||
Fever, n(%) | 11 (42.3) | 39 (44.8) | 0.8204 |
Apnea, n(%) | 2 (7.7) | 2(2.3) | 0.1916 |
Cyanosis, n(%) | 3 (11.5) | 3(3.5) | 0.1065 |
Cough characteristic | |||
Whoop, n(%) | 8 (30.8) | 20 (23.0) | 0.4200 |
Paroxysm, n(%) | 17 (65.4) | 38 (43.7) | 0.0520 |
Wet/Productive, n(%) | 12 (46.2) | 31 (35.6) | 0.3323 |
Nocturnal cough, n(%) | 6 (23.1) | 22 (25.3) | 0.8188 |
Post-tussive vomiting, n(%) | 9 (34.6) | 28 (32.2) | 0.8167 |
Other pathogen positive | |||
Immunofluorescence (N = 79) | N = 17 | N = 62 | |
Any virus positive, n(%) | 6 (35.3) | 9 (14.5) | 0.0530 |
IgM for MP, CP,RSV and LP (N = 106) | N = 25 | N = 81 | |
MP - IgM positive, n(%) | 1 (4.0) | 7 (8.6) | 0.4424 |
CP –IgM positive, n(%) | 0(0) | 2(2.5) | 0.4277 |
RSV – IgM positive, n(%) | 1 (4.0) | 7 (8.6) | 0.4424 |
LP – IgM positive, n(%) | 0(0) | 8 (9.9) | 0.1022 |
Peripheral white cell count indices and CRP (N = 107) | N = 25 | N = 82 | |
Peripheral wbc count(median, IQR) | 9.0 (6.3–15.6) | 9.1 (7.2–12.3) | 0.7600 |
Neutrophil absolute count(median, IQR) | 3.1 (1.8–4.5) | 3.5 (2.2–4.9) | 0.2344 |
Lymphocyte absolute count(median, IQR) | 4.3 (2.7–8.9) | 3.9 (2.6–6.4) | 0.6454 |
CRP(median, IQR) | 1.8 (0.3–4.6) | 1.4 (0.1–6.6) | 0.7982 |