Table 6 Epidemiological characteristics of the Beijing and non-Beijing isolates
characteristics | total (n = 668) | Beijing family isolates (n = 558) | Non-Beijing family isolates (n = 110) | OR | 95% CI | p-value |
|---|---|---|---|---|---|---|
Sex | ||||||
 Male | 509 | 428 | 81 |  |  |  |
 Female | 159 | 130 | 29 | 0.85 | 0.53–1.35 | 0.541 |
Age group,years | ||||||
  < 25 | 141 | 113 | 28 |  |  |  |
 25–44 | 197 | 161 | 36 | 0.71 | 0.39–1.31 | 0.282 |
 45–64 | 177 | 154 | 23 | 0.79 | 0.45–1.40 | 0.422 |
  > 64 | 153 | 130 | 23 | 1.19 | 0.63–2.20 | 0.587 |
Treatment history | ||||||
 New case | 501 | 422 | 79 |  |  |  |
 Retreatment case | 167 | 136 | 31 | 1.22 | 0.77–1.92 | 0.398 |
Population | ||||||
 Permanent | 134 | 111 | 23 |  |  |  |
 Migrant | 534 | 447 | 87 | 1.06 | 0.64–1.76 | 0.804 |