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. 2021 Oct 31;18(21):11491. doi: 10.3390/ijerph182111491

Table 2.

Distribution of group lacerations between the study participants according to their age groups.

Variable Total No. of Patients
(n = 1498)
Adult Mothers
(Reference Group)
(n = 1200)
Adolescent Mothers
(Case Group)
(n = 298)
p-Value
(Case-Reference)
Pearson Chi-Square
Early Adolescence
(10–14 Years)
(n = 11)
Middle
Adolescence
(15–17 Years)
(n = 138)
Late Adolescence
(18–19 Years)
(n = 149)
p-Value
(Adolescence Subgroups)
Pearson Chi-Square
IST * 673 (44.9%) 598 (49.8%) 75 (25.2%) 0.00 1 (9.1%) 33 (23.9%) 41 (27.5%) >0.05
Episiotomy 487 (32.5%) 320 (26.7%) 167(56.0%) 0.00 9 (81.8%) 80 (58.0%) 78 (52.3%) >0.05
Laceration ** group I
group II
group III

46 (3.1%)
328 (21.9%)
109 (7.3%)

34 (2.8%)
254 (21.2%)
80 (6.7%)

12 (4.0%)
74 (24.8%)
29 (9.7%)

>0.05
>0.05
>0.05

0 (0.0%)
1 (9.1%)
1 (9.1%)

3 (2.2%)
34 (24.6%)
18 (13.0%)

9 (6.0%)
39 (26.2%)
10 (6.7%)

>0.05
>0.05
>0.05

* IST: intact soft tissue; ** lacerations: group I: injury of labia and periurethral region; group II: injury of vagina and perineum; group III: injury of cervix.