Table 2 Analysis of M. pneumoniae positivity among patients during epidemic and post-epidemic by age groups. Data were represented as n (%) in total cases, and as n (positivity, %) in M. pneumoniae cases
Age group | Total | M. pneumoniae cases | P value | Epidemic | P value | Post-epidemic | P value | ||
|---|---|---|---|---|---|---|---|---|---|
Total | M. pneumoniae cases | Total | M. pneumoniae cases | ||||||
Infants | 415 | 34 (8.2) | <  0.001 | 246 | 30 (12.2) | 0.801 | 169 | 4 (2.4) | <  0.001 |
Toddlers | 1172 | 127 (10.8) | 768 | 113 (14.7) | 404 | 14 (3.5) | |||
Pre-school children | 1048 | 182 (17.4) | 671 | 136 (20.3) | 377 | 46 (12.2) | |||
School children | 1348 | 443 (32.9) | 849 | 325 (38.3) | 499 | 118 (23.6) | |||
Young adults | 1260 | 237 (18.8) | 677 | 182 (26.9) | 583 | 55 (9.4) | |||
Older adults | 1254 | 74 (5.9) | 432 | 59 (13.7) | 822 | 15 (1.8) | |||
The elderly | 928 | 23 (2.5) | 271 | 19 (7.0) | 657 | 4 (0.6) | |||
Very elderly | 410 | 7 (1.7) | 84 | 7 (8.3) | 326 | 0 (0) | |||
Total | 7835 | 1127 (14.4) | Â | 3998 | 871 (21.8) | Â | 3837 | 256 (6.7) | Â |