The Differences of Population Birth Defects in Epidemiology Analysis between the Rural and Urban Areas of Hunan Province in China, 2014–2018
Table 3
The trends of BD prevalence rates grouped by sex and maternal age groups in Liuyang county (rural) and Shifeng district (urban), Hunan Province, China, from 2014 to 2018.
Gender and age groups among areas
2014
2018
PC (%)
APC (%)
value
95% CI
BDs ()
Prevalence rates
BDs ()
Prevalence rates
Limit
Up
Liuyang-female
237
259.70
96
123.03
-111.09
-16.88
0.079
-33.63
4.10
Liuyang-male
353
348.68
240
275.32
-26.65
-4.19
0.546
-21.62
17.11
Liuyang-total
590
306.49
336
203.39
-50.69
-8.83
0.243
-25.58
11.70
Liuyang-≤24 years
109
188.22
14
57.33
-228.31
-18.86
0.181
-44.66
18.98
Liuyang-25-29 years
254
290.48
152
222.35
-30.64
-5.21
0.522
-25.14
20.02
Liuyang-30-34 years
114
334.51
76
151.30
-121.09
-17.03
0.037
-29.74
-2.03
Liuyang-35-39 years
36
343.18
45
250.56
-36.97
-1.80
0.865
-28.24
34.38
Liuyang-≥40 years
10
387.60
14
330.97
-17.11
-12.64
0.311
-38.66
24.42
Shifeng-female
31
185.74
20
135.78
-36.79
-9.31
0.044
-17.33
-0.51
Shifeng-male
51
282.24
23
154.99
-82.10
-17.87
0.091
-36.36
5.99
Shifeng-total
82
235.90
43
145.42
-62.22
-14.14
0.039
-25.17
-1.49
Shifeng-≤24 years
12
189.27
2
68.49
-176.35
-29.30
0.098
-55.55
12.46
Shifeng-25-29 years
45
247.39
18
155.98
-58.60
-15.82
0.204
-39.99
18.10
Shifeng-30-34 years
21
268.20
12
113.53
-136.24
-20.06
0.002
-25.67
-14.03
Shifeng-35-39 years
3
157.07
9
245.23
35.95
9.73
0.063
-0.95
21.55
Shifeng-≥40 years
1
204.08
2
229.89
11.23
-4.45
0.737
-42.49
58.75
aPIs: perinatal infants; BDs: birth defects; APC: annual percentage change; CI: confidence interval; PC: percentage change. Population birth defect prevalence expressed per 10,000 PIs. PC and APC between 2014 and 2018 calculated by population birth defect prevalence rates.