Table 1. Mycoplasma pneumoniae infections diagnosed by real-time PCR and prevalence of macrolide-resistant M. pneumoniae, by district, Japan.
| District |
Average age, y (range) |
No. patients (M:F) |
Macrolide resistance, % (no. positive/total no. patients)* | |||
|---|---|---|---|---|---|---|
| 2008–2010 |
2011–2012 |
2013–2015 |
Total |
|||
| Kyushu | 6.4 (0–14) | 239 (1.2:1) | – | 64.1 (82/128) | 27.9 (31/111) | 47.3 (113/239) |
| Chugoku-Shikoku | 7.3 (0–15) | 623 (1.4:1) | 68.6 (59/86) | 70.6 (339/480) | 80.7 (46/57) | 71.3 (444/623) |
| Kinki | 7.1 (1–15) | 227 (1:1) | 33.3 (7/21) | 86.1 (162/188) | 66.7 (12/18) | 79.7 (181/227) |
| Kanto-Chubu | 7.5 (0–13) | 268 (1.1:1) | – | 80.1 (197/246) | 72.7 (16/22) | 79.5 (213/268) |
| Hokkaido-Tohoku |
7.7 (0–13) |
91 (1.2:1) |
84.2 (32/38) |
68.1 (32/47) |
16.7 (1/6) |
71.4 (65/91) |
| Total | 7.3 (0–15) | 1,448 (1.3:1) | 67.6 (98/145) | 74.6 (812/1,089) | 49.5 (106/214) | 70.2 (1,016/1,448) |
*2008–2010, prepandemic; 2011–2012, pandemic; 2013–2015, post pandemic.