The Differences of Population Birth Defects in Epidemiology Analysis between the Rural and Urban Areas of Hunan Province in China, 2014–2018
Table 1
The number of PIs, BDs, and BD prevalence rates grouped by sex in Liuyang county (rural) and Shifeng district (urban), Hunan Province, China, from 2014 to 2018.
(a)
Rural
Female-Liuyang county
Male-Liuyang county
Total-Liuyang county
Year
PIs ()
BDs ()
Prevalence rates (per 10,000 PIs) (95% CI)
PIs ()
BDs ()
Prevalence rates (per 10,000 PIs) (95% CI)
PIs ()
BDs ()
Prevalence rates (per 10,000 PIs) (95% CI)
2014
9126
237
259.7 (227.68-294.95)
10,124
353
348.68 (313.25-387.02)
19,250
590
306.49 (282.26-332.25)
2015
9235
189
204.66 (176.52-236.00)
10,169
252
247.81 (218.16-280.37)
19,404
441
227.27 (206.55-249.51)
2016
9928
113
113.82 (93.80-136.84)
10,996
230
209.17 (183.00-238.02)
20,924
343
163.93 (147.04-182.23)
2017
9474
136
143.55 (120.44-169.80)
10,735
278
258.97 (229.42-291.27)
20,209
414
204.86 (185.60-225.58)
2018
7803
96
123.03 (99.65-150.24)
8717
240
275.32 (241.59-312.45)
16,520
336
203.39 (182.22-226.34)
Total
45,566
771
169.21 (157.47-181.58)
50,741
1353
266.65 (252.63-281.24)
96,307
2124
220.54 (211.26-230.13)
(b)
Urban
Female-Shifeng district
Male-Shifeng district
Total-Shifeng district
Year
PIs ()
BDs ()
Prevalence rates (per 10,000 PIs) (95% CI)
PIs ()
BDs ()
Prevalence rates (per 10,000 PIs) (95% CI)
PIs ()
BDs ()
Prevalence rates (per 10,000 PIs) (95% CI)
2014
1669
31
185.74 (126.20-263.64)
1807
51
282.24 (210.14-371.09)
3476
82
235.90 (187.62-292.82)
2015
1568
32
204.08 (139.59-288.10)
1665
38
228.23 (161.51-313.26)
3233
70
216.52 (168.79-273.56)
2016
1636
25
152.81 (98.89-225.58)
1737
36
207.25 (145.16-286.93)
3373
61
180.85 (138.33-232.31)
2017
1670
24
143.71 (92.08-213.83)
1798
19
105.67 (63.62-165.02)
3468
43
123.99 (89.73-167.01)
2018
1473
20
135.78 (82.94-209.70)
1484
23
154.99 (98.25-232.56)
2957
43
145.42 (105.24-195.88)
Total
8016
132
164.67 (137.78-195.28)
8491
167
196.68 (167.98-228.87)
16,507
299
181.14 (161.18-202.87)
aPIs: perinatal infants; BDs: birth defects; CI: confidence intervals. Population birth defect prevalence rates expressed per 10,000 PIs.