Incidence Density Rate of Neonatal Mortality and Predictors in Sub-Saharan Africa: A Systematic Review and Meta-Analysis

Table 1

Incidence density rates (IDRs) of neonatal mortality in Sub-Saharan Africa.

Author year	Country	Sample size	Study population		Treatment outcome		Type of NM		Neonate days	IDR/1000 neonate days (95% CI)	Quality score
			Preterm	Term	Dead	Censored	ENM	LNM
Dessu et al., 2019 [15]	Ethiopia	332	37	30	67	265	—	—	2121	31.59 (24.14, 39.04)	High
Gudayu et al., 2020 [16]	Ethiopia	504	—	—	87	417	73	14	2508	34.69 (27.54, 41.84)	High
Kayode et al., 2016 [37]	Ethiopia	1152	—	—	68	1084	50	18	27357.5	2.49 (1.90, 3.08)	High
Orsido et al., 2019 [18]	Ethiopia	964	84	75	159	804	132	27	5889	27.00 (22.86, 31.14)	High
Asmare, 2018 [12]	Ethiopia	571	170	—	170	401	103	67	4354	39.04 (33.28, 44.80)	Medium
Yismaw et al., 2019 [19]	Ethiopia	516	149	—	149	—	127	22	4527	32.91 (27.72, 38.10)	High
Alebel et al., 2020 [20]	Ethiopia	513	42	67	109	404	91	18	4223	25.81 (21.03, 30.59)	High
Mengistu et al., 2020 [21]	Ethiopia	612	69	45	114	498	103	11	4177.8	27.29 (22.35, 32.23)	High
Kahsay et al., 2020 [22]	Ethiopia	253	—	—	32	221	32	—	1425.32	22.45 (14.77, 30.13	Medium
Coulibaly et al., 2016 [13]	Burkina Faso	341	—	—	18	323	—	—	9326.4	1.93 (1.05, 2.81)	Low
Musooko et al., 2014 [14]	Uganda	341	—	—	37	304	37	—	1233.3	30.00 (20.47, 39.53)	Medium
Wosenu et al., 2017 [28]	Ethiopia	490	—	—	171	319	171	—	—	—	Medium
Limaso et al., 2020 [23]	Ethiopia	584	—	584	24	—	15	11	15894	1.51 (0.90, 2.12)	High
Gizaw et al., 2014 [24]	Ethiopia	—	—	—	1055	—	768	287	803370	1.31 (1.23, 1.39)	Medium
Desta et al., 2016 [11]	Ethiopia	7367	—	—	209	7158	144	20	209205	1.00 (0.86, 1.14)	High
Wakgari and Wencheko, 2013 [30]	Ethiopia	8651	—	—	517	—	367	150	—	—	Medium
Ezeh et al., 2014 [26]	Nigeria	27147	—	—	996	26151	—	—	—	—	Medium
Dahiru, 2017 [27]	Nigeria	244836	—	—	8176	236660	8176	—	—	—	Low
Dahiru, 2015 [25]	Nigeria	119024	—	—	3772	115,252	3772	—	—	—	Medium
Mekonen et al., 2013 [29]	Ethiopia	32 042	—	—	—	—	—	—	—	—	Low