| MMR | GOE | Direct causes | Indirect causes |
Our results | 228(n = 6) | 418/2634 | 100% | 0 |
Fomulu et al. (2002-2006) [3] | 365 (n = 39/10662) | - | 89.7% | 10.3% |
Tebeu PM et al. (2006-2010) [9] | 287.5(n=26/9045) | - | 75% | 25% |
Mustapha Lamina et al. (2005-2007) [11] | - | 262/1420 | 70.6% | 29.4% |
Papa Dasri et al. (2008-2012) [14] | 141 | 106/73,935 | 90% | 10% |