Contribution of gestational age to the infant mortality rate in Ohio, 2008-2015.

Table 1: Contribution of gestational age to the infant mortality rate in Ohio, 2008-2015.

Weeks gestation at birth	Number of deaths (2008-2015)	% of all deaths from this category	Portion of Total IMR from this group (# deaths/total number of Ohio Births 2008-2015)1 x 1000	IMR excluding each category (Total IMR - portion from each gestation category)
< 20 weeks	554	6.83	0.49	6.67
< 21 weeks	941	11.60	0.83	6.33
< 22 weeks	1461	18.01	1.29	5.87
< 23 weeks	2035	25.08	1.80	5.37
< 24 weeks	2562	31.58	2.26	4.90
< 25 weeks	2975	36.67	2.63	4.54
< 27 weeks	3507	43.22	3.10	4.07
< 29 weeks	3859	47.56	3.41	3.76
< 31 weeks	4118	50.75	3.64	3.53
< 35 weeks	4813	59.32	4.25	2.91
< 39 weeks	6324	77.94	5.58	1.58
< 43 weeks	7777	95.85	6.87	0.29
< 49 weeks	7863	96.91	6.94	0.22
All gestation (Total IMR)	81142	100.00	7.16