Table 1 Chi-square test result of trends of hypertension across the time series, Nigist Eleni Mohammed general Hospital, Hossana (December 2010- January 2014)
Year | Observations | Sum of ranks |
|---|---|---|
2010 | 530 | 140715 |
2011 | 456 | 345876 |
2012 | 326 | 374737 |
2013 | 68 | 91562 |
2014 | 527 | 866388 |
Total | 1907 |