Table 1 Demographic and clinical characteristics of asthmatic adults in Yaounde according to the sensitisation to Blattella germanica (BG)
Characteristics | Total sample n = 184 (%) | Sensitisation to BG n = 47 (%) | No sensitisation to BG n = 137 (%) | p |
|---|---|---|---|---|
Sex | ||||
Men | 51 (33.2) | 15 (31.9) | 46 (33.6) | 0.835 |
Women | 123 (66.8) | 32 (68.81) | 91 (66.4) | |
Median age, years, (25th-75th percentiles) | 38 (24–54) | 32 (24–50) | 41 (23.5-56) | 0.119 |
Ethnic groups | ||||
Semi-bantou | 130 (71.4) | 32 (69.6) | 98 (72.1) | Reference |
Bantou | 37 (20.3) | 10 (21.7) | 27 (19.9) | 0.765 |
Fulani/Sudanese | 15 (8.2) | 4 (8.7) | 11 (8.1) | 0.862 |
Others | 2 (1.1) | 1 (2.1) | 1 (0.7) | 0.439 |
Median age at the onset of asthma, years (25th-75th percentiles) | 24 (14–40) | 23 (16–39) | 24 (13–41.5) | 0.720 |
Rhinitis | ||||
None | 93 (50.5) | 22 (46.8) | 71 (51.8) | Reference |
Intermittent rhinitis | 25 (13.8) | 7 (14.9) | 18 (13.1) | 0.654 |
Persistent rhinitis | 66 (35.9) | 18 (38.3) | 48 (35.0) | 0.604 |
Atopic dermatitis | ||||
Yes | 4 (2.2) | 3 (6.4) | 1 (0.7) | 0.052 |
No | 180 (97.8) | 44 (93.6) | 136 (99.3) | |
Active smoking | ||||
Non-smoker | 157 (98.1) | 42 (97.7) | 115 (98.3) | Reference |
Smoker/ex-smoker | 3 (1.6) | 1 (2.1) | 2 (1.5) | 0.612 |
Second hand smoker | 4 (2.2) | 2 (4.3) | 2 (1.5) | 0.301 |
Family history of asthma | ||||
Yes | 33 (17.9) | 7 (14.9) | 26 (19.0) | 0.529 |
No | 151 (82.1) | 40 (85.1) | 111 (81.0) | |
Asthma control | ||||
Well controlled | 97 (57.7) | 25 (55.6) | 72 (58.5) | 0.729 |
Not well controlled | 71 (42.3) | 20 (44.4) | 51 (41.5) | |
FEV1, %, median, (25th-75th percentiles) | 88.1(73.5-99.3) | 88,1 (77–99.5) | 88.1 (70.5-99.3) | 0.225 |