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Table 1 Characteristics of primary studies included in the systematic review and meta-analysis, 2019, Ethiopia

From: Magnitude and trend of perinatal mortality and its relationship with inter-pregnancy interval in Ethiopia: a systematic review and meta-analysis

Study ID Author (year) Region Study Design Sample Size PMR per 1000 total births SBR per 1000 births ENM R per 1000 live births IPI < 15 months with PM IPI < 15 months without PM IPI ≥ 15 months with PM IPI ≥ 15 months without PM OR [95% CI]
1 Sahlemariam Y (1997) [36] Addis Ababa Follow up 1606 106/1606 (66) 38/1606 (23.7) 68/1334
(50.9)
2 EDHS (2000) [32] National Cross sectional 12,494 655/12494
(52)
234/12494
(18.7)
421/12260
(34)
3 EDHS (2005) [33] National Cross sectional 11,280 420/11280
(37)
117/11280
(10.4)
303/10860
(27.9)
4 EDHS (2011) [2] National Cross sectional 12,077 551/12077
(46)
204/12077
(16.9)
347/11873
(29)
5 Chekol A (2011) [26] Benishangul Cross sectional 581 69/581
(118.8)
56/581
(96.4)
13/525
(24.8)
6 Assefa N (2012) [22] Oromia prospective follow up 1438 27/1438
(18.8)
27/1438
(18.8)
7 Wakgari N (2013) [41] mixed (EDHS) Cross sectional 8651 343/8651
(39.6)
343/8651
(39.6)
8 Andargie G (2013) [3] Amhara Prospective longitudinal 1752 88/1752
(50.2)
41/1752
(23.4)
47/1711
(27.5)
40 483 48 1881 2.04 [1.32; 3.14]
9 Worku A (2014) [44] Amhara Prospective Cohort 727 36/727 (49.52) 20/727
(27.5)
16/707
(22.6)
10 Adane A (2014) [19] Amhara Cross sectional 481 34/481
(70.7)
34/481
(70.7)
11 Yaya Y (2014) [45] SNNP Cross sectional 11,762 226/11762
(19.2)
226/11762
(19.2)
12 Debelew G (2014) [28] Oromia Prospective follow up 3510 123/3510
(35)
47/3510
(13.4)
76/3463
(21.9)
13 Abdo R (2016) [18] SNNP Cross sectional 327 28/327
(85.6)
28/327
(85.6)
14 Mengesha H (2016) [34] Tigray prospective cohort 1152 50/1152
(43.4)
50/1152
(43.4)
15 Shifa G (2016) [8] SNNP Cross sectional 20,161 282/20161
(13.98)
282/20161
(13.98)
16 Berhie K (2016) [25] mixed Cross sectional 12,560 320/12560
(25.5)
320/12560
(25.5)
17 Asefa D (2016) [21] Oromia Cross sectional 9921 1080/9921
(108.9)
852/9921
(85.9)
232/9069
(25.6)
18 Aragaw Y (2016) [20] Oromia Cross sectional 3786 372/3786
(98.3)
268/3786
(70.8)
104/3518
(29.6)
19 Ballard K (2016) [23] mixed (Amhara and Oromia) Cross sectional 4358 95/4358
(21.8)
95/4358
(21.8)
20 Yirgu R (2016) [12] Amhara Nested Case control 4049 102/4049
(25.2)
57/4049
(14.1)
45/3992
(11.3)
1 5 101 217 0.43 [0.05; 3.73]
21 Cherie N (2017) [27] Amhara Cross sectional 462 21/462
(45.5)
21/462
(45.5)
22 Dejene T (2017) [38] Oromia Cross sectional 413 33/413
(79.9)
33/413
(79.9)
23 Mihiretu A (2017) [35] SNNP Cross sectional 300 52/300
(173.3)
52/300
(173.3)
24 Lakew D (2017) [31] Amhara Cross sectional 2555 218/2555
(85.3)
218/2555
(85.3)
104 793 43 1009 3.08 [2.13; 4.44]
25 Tsegaye B (2018) [40] SNNP Cross sectional 580 16/580
(27.6)
26 Roro E (2018) [11] Oromia Nested Case control 4383 73/4383
(16.7)
26/4383
(5.9)
47/4357
(10.8)
15 18 58 128 1.84 [0.87; 3.9]
27 Goba G (2018) [1] Tigray unmatched case control 265 42 39 49 135 2.97 [1.72; 5.12]
28 Getiye Y (2017) [29] Addis Ababa unmatched case control 395 41 29 69 256 5.25 [3.04; 9.04]
29 Tilahun S (2008) [39] Addis Ababa unmatched case control 343 27 27 93 196 2.11 [1.17; 3.79]
30 Tewabe T (2018) [37] Amhara Cross sectional 391 43/391
(109.9)
  43/391
(109.9)
31 Haftu A (2018) [30] Tigray prospective cohort 1103 55/1103
(49.9)
25/1103
(22.7)
30/1078
(27.8)
32 Woldeamanuel B (2019) [42] Mixed (EDHS) Cross sectional 2738 170/2738
(62.09)
59/2738
(21.55)
111/2679
(41.43)
33 Berhe T (2019) [24] Tigray cross sectional 570 21/570
(36.8)
21/570
(36.8)
 
34 Worede D (2019) [43] Amhara unmatched case control 420     49 98 35 238 3.4 [2.08; 5.57]
  1. National: Study conducted at national level (Ethiopia) like DHS
  2. Mixed: when study considered data for more than one region in Ethiopia