Variables—n (n%)

2011-2012

2015-2016

*p1

*p2

*p3

Total

N = 2043

Episiotomy

n = 1214

No Episiotomy

n = 829

Total

n = 2225

Episiotomy

n = 983

No Episiotomy

n = 1242

Hypertensive Disorder

Yes

No

47 (2.3)

1996 (97.7)

31 (2.6)

1183 (97.4)

16 (1.9)

813 (98.1)

51 (2.3)

2174 (97.7)

15 (1.5)

968 (98.5)

36 (2.9)

1206 (97.1)

0.985

0.363

0.141

Gestational Hypertensive Disorder

Yes

No

148 (7.2)

1895 (92.8)

87 (7.2)

1127 (92.8)

61 (7.4)

167 (92.6)

125 (5.6)

2100 (94.4)

59 (6.0)

924 (94.0)

66 (5.3)

1176 (94.7)

0.030

0.494

0.160

Gestational Diabetes Mellitus

Yes

No

90 (4.4)

1953 (95.6)

57 (4.7)

1157 (95.3)

33 (4.0)

796 (96.0)

150 (6.7)

2075 (93.3)

63 (6.4)

920 (93.6)

87 (7.0)

1155 (93.0)

0.001

0.638

0.008

Diabetes Mellitus Type2

Yes

No

1 (0.0)

2042 (100.0)

1 (0.1)

1213 (99.9)

0 (0.0)

829 (100.0)

7 (0.3)

2218 (99.7)

5 (0.5)

978 (99.5)

2 (0.2)

1240 (99.8)

0.045

0.183

0.052

Diabetes Mellitus Type1

Yes

No

2 (0.1)

2041 (99.9)

1 (0.1)

1213 (99.9)

1 (0.1)

829 (99.9)

3 (0.1)

2222 (99.9)

2 (0.2)

981 (99.8)

1 (0.1)

1241 (99.9)

0.75

0.703

0.827

Thrombophilia

Yes

No

2 (0.1)

2041 (99.9)

1 (0.1)

1213 (99.9)

1 (0.1)

828 (99.9)

2 (0.1)

2223 (99.9)

2 (0.2)

981 (99.8)

0 (0.0)

1242 (100.0)

0.932

0.346

0.473

Intrauterine Growth Restriction

Yes

No

16 (0.8)

2027 (99.2)

10 (0.8)

1204 (99.2)

6 (0.7)

823 (99.3)

14 (0.6)

2211 (99.4)

5 (0.5)

978 (99.5)

9 (0.7)

1233 (99.3)

0.548

0.871

0.850

HIV/AIDS

Yes

No

19 (0.9)

2024 (99.1)

8 (0.7)

1206 (99.3)

11 (1.3)

818 (98.7)

41 (1.9)

2182 (98.1)

11 (1.1)

972 (98.9)

32 (2.6)

1210 (97.4)

0.006

0.001

0.001