Table 2 Chi-square test result of trends of diabetes mellitus across the time series, Nigist Eleni Mohammed general Hospital, Hossana (December 2010- January 2014)
| Year | Observations | Sum of ranks |
|---|---|---|
| 2010 | 462 | 106953 |
| 2011 | 389 | 255573 |
| 2012 | 183 | 172569 |
| 2013 | 204 | 231846 |
| 2014 | 248 | 337900 |
| Total | 1486 |