1 Results of positive rate analysis of neonatal umbilical cord blood measles IgG antibody in different age groups
A statistical analysis of 824 of the 848 women with clear age information was carried out, and 824 women aged 16-45 were divided into 5 age groups.The results showed that the positive rate of neonatal umbilical cord blood measles IgG antibody was 81.69 % -86.40 %, and the positive rate of neonatal umbilical cord blood measles IgG antibody was not statistically significant in all age groups(2 = 2.03, P & GT; 0.05).However, the positive rate of neonatal umbilical cord blood measles IgG showed a decreasing trend with the increase of maternal age. ()
Table 1 Distribution of positive rate of female neonatal umbilical cord blood measles IgG in different age groups in Ankang City
age
|
Number of specimens
|
Measles IgG antibody
|
Number of positive
|
Positive rate(%)
|
Number of negative
|
Negative rate(%)
|
≤20year
|
44
|
38
|
86.36
|
6
|
13.64
|
21-25year
|
228
|
197
|
86.40
|
31
|
13.60
|
26-30year
|
327
|
277
|
84.71
|
50
|
15.29
|
31-35year
|
154
|
126
|
81.82
|
28
|
18.18
|
≥36year
|
71
|
58
|
81.69
|
13
|
18.31
|
total
|
824
|
696
|
84.47
|
128
|
15.53
|
2 Results of positive rate analysis of neonatal umbilical cord blood measles IgG antibody in different areas of Ankang City
The study investigated a total of 848 maternal patients and collected 848 newborn umbilical cord blood. Through the laboratory, 716 positive specimens of measles IgG were detected, and the positive rate was 84.43 %.The positive rate of neonatal umbilical cord blood measles IgG was statistically different in different counties(2 = 79.59, P & lt; 0.05), of which Ziyang County has the highest positive rate of samples and Pingli County has the lowest. (Table 2)
Table 2 Positive distribution of neonatal umbilical cord blood measles IgG antibody in different counties of Ankang
County
|
Number of specimens
|
Number of positive
|
Positive rate(%)
|
Hanbin
|
97
|
81
|
83.51
|
Hanyin
|
98
|
90
|
91.84
|
Shiquan
|
99
|
91
|
91.92
|
Ningshan
|
40
|
33
|
82.50
|
Ziyang
|
96
|
92
|
95.83
|
Langao
|
54
|
49
|
90.74
|
Pingling
|
99
|
56
|
56.57
|
Zhenping
|
68
|
54
|
79.41
|
Xunyang
|
97
|
83
|
85.57
|
Baihe
|
100
|
86
|
86.00
|
Ankang City
|
848
|
716
|
84.43
|
The positive rate of umbilical cord blood measles in urban, rural, and peri-urban areas was 85.71 %, 85.14 %, and 77.78 %, respectively, with no statistical significance(2 = 2.56, P & GT; 0.05).
3 Results of Positive Rate Analysis of IngG Antibody of Neonatal Cord Blood Measles in Different Vaccination Service Mode in Ankang City
Ankang City implements a preventive vaccination service model that focuses on concentrated inoculation in townships and supplemented by village-level inoculation.The results of the survey showed that the positive rate of maternal neonatal umbilical cord blood measles IgG antibody was higher than that of village vaccination areas(2 = 5.24, P & lt; 0.05). (Table 3)
Table 3 Distribution of positive rate of IgG antibody for umbilical cord blood measles among pregnant women with different vaccination service modes in Ankang City
Vaccination service model
|
Number of specimens
|
Measles IgG antibody
|
Number of positive
|
Positive rate(%)
|
Number of negative
|
Negative rate(%)
|
Village level vaccination
|
400
|
327
|
81.75
|
73
|
18.25
|
Township intensive vaccination
|
438
|
383
|
87.44
|
55
|
12.56
|
total
|
838
|
710
|
84.73
|
128
|
15.27
|
|
|
|
|
|
|
|
|
|
4 Results of positive rate analysis of female neonatal umbilical cord blood measles IgG antibody in different residence forms in Ankang City
According to the survey, 836 mothers with clear information on their residence time were grouped according to their local residence, their length of residence was less than 3 months and their length of residence was 3 months.The results showed that there was no significant difference in positive rate between the groups of maternal and newborn umbilical cord blood measles IgG antibody(2 = 1.91, P & GT; 0.05). (Table 4)
Table 4 Distribution of positive rate of neonatal umbilical cord blood measles IgG antibody in different living forms in Ankang City
Form of residence
|
Number of specimens
|
Measles IgG antibody
|
Number of positive
|
Positive rate(%)
|
Number of negative
|
Negative rate(%)
|
Local resident
|
765
|
649
|
84.84
|
116
|
15.16
|
Persons living outside the country for at least 3 months
|
61
|
53
|
86.89
|
8
|
13.11
|
Foreigners live less than 3 months
|
10
|
7
|
70.00
|
3
|
30.00
|
total
|
836
|
709
|
84.81
|
127
|
15.19
|
5 Results of positive rate analysis of umbilical cord blood measles IgG antibody in different maternal births in Ankang
The 843 mothers with clear birth information were grouped according to different birth times. The results showed that there was no significant difference in the positive rate of IgG antibody of umbilical cord blood in different births(2 = 1.20, P & GT; 0.05). (Table 5)
Table 5 Distribution of positive rate of Measles IgG antibody in neonatal umbilical cord blood in different births in Ankang City
|
Number of specimens
|
Measles IgG antibody
|
Number of births
|
Number of positive
|
Positive rate(%)
|
Number of negative
|
Negative rate(%)
|
1time
|
351
|
291
|
82.91
|
60
|
17.09
|
2times
|
450
|
383
|
85.11
|
67
|
14.89
|
≥3times
|
42
|
37
|
88.10
|
5
|
11.90
|
total
|
843
|
696
|
82.56
|
128
|
17.44
|