Table 2.
Case-severity ratios (per 1000), case-fatality rates (per 1000) and severe case-fatality rates (%) in Shenzhen for the years 2008–2011, by migratory status
| Year | Case-severity ratios (per 1000) | Case-fatality rates (per 1000) | Severe case-fatality rates (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| All | Local | Migrant | All | Local | Migrant | All | Local | Migrant | |
| 2008 | 0·56 P = 0·630 | 0·31 | 0·77 | 0·14 | 0 | 0·26 | 25·00 | 0 | 33·33 |
| 2009 | 4·04 P = 0·001 | 1·20 | 5·66 | 0·55 | 0 | 0·86 | 13·51 | 0 | 15·15 |
| 2010 | 3·99 P = 0·000 | 1·77 | 5·14 | 0·26 | 0 | 0·39 | 5·43 | 0 | 7·60 |
| 2011 | 6·13 P = 0·008 | 4·27 | 7·04 | 0·24 | 0 | 0·36 | 3·95 | 0 | 5·13 |
| Overall | 4·44 | 2·38 | 5·56 | 0·28 | 0 | 0·43 | 6·29 | 0 | 7·76 |
| P = 0·000 | P = 0·000 | P = 0·000 | P = 0·393 | n.a. | P = 0·396 | P = 0·058 | n.a. | P = 0·094 | |