Table 2. Trends in infant mortality rate of Shenyang during 1997–2014.

Cause of death	1997		2014		PC† (%)	APC† (%)	95% CI
	Case	Rate*	Case	Rate*
Overall	462	9.50	251	3.14	−66.90	−5.92	−7.30, −4.51
Congenital anomalies	166	3.41	45	0.56	−83.49	−7.87	−9.81, −5.90
Asphyxia-related conditions	101	2.08	30	0.38	−81.91	−9.43	−10.19, −8.65
Immaturity-related conditions	112	2.30	97	1.22	−47.24	−3.44	−5.06, −1.79
Infections	3	0.06	13	0.16	163.97	−1.29	−6.58, 4.30
Nervous system and sense organs	9	0.19	6	0.08	−59.39	−6.01	−10.29, −1.52
Respiratory system	43	0.88	28	0.35	−60.33	−6.29	−9.03, −3.47
Digestive system	2	0.04	12	0.15	265.50	2.02	−3.45, 7.80

APC, annual percent change; CI, confidence interval; N/A, not available; PC, percent change.

^*Infant mortality rates were expressed as per 1000 live births.

^†Percent change and annual percent change between 1997 and 2014 was calculated by the infant mortality rate.