Table 1 The demographic and clinical information of 130 PEM^a patients

Demographic data

Age at surgery, yr

130

33.40 ± 4.55

Height, cm

Weight, kg

BMI^d, kg/m²

130

21.80 (20.15–23.75)

Gravidy

130

2 (1–2)

Parity

130

1 (1–1)

Age at delivery, yr

129

26.45 ± 3.45

Age at onset of symptoms

Repeated surgery for PEM

28/130

21.5%

Clinical data

Pathogenesis

 Spontaneous

1/130

0.8%

 Episiotomy

99/130

76.2%

 Obstetrical lacerations

29/130

22.3%

 Episiotomy & Obstetrical laceration

1/130

0.8%

Latent period, mo

119

36.00 (12.00–54.00)

Duration of symptoms, mo

130

36.00 (24.00–48.00)

CA^e 125, IU/L

100

22.15 (14.38–33.46)

CA 125 ≥ 35 IU/L

20/100

20.0%

Dysmenorrhea

33/130

25.4%

Coexistent OEM^f

15/130

11.5%

Coexistent AM^g

18/130

13.8%

Preoperative GnRH-a^h

78/130

60.0%

Surgical and pathological data

Multiple lesions

32/130

24.6%

Size of lesions, cm

130

2.50 (2.00–3.00)

Size of lesions ≥ 3 cm

55/130

42.3%

Anal sphincter involvement by pathology

43/130

33.1%

Positive cut edge

37/120

30.8%

Location of the lesion

 Middle

19/120

15.8%

 Left side

92/120

76.7%

 Right side

9/120

7.5%

Postoperative data

Postoperative complications

17/130

13.1%

 Delayed healing

12/130

9.2%

 Wound infection

2/130

1.5%

 Fistula

2/130

1.5%

 Uroschesis

1/130

0.8%

Hospitalization days

126

9 (7–12)

Postsurgical medication

 None

70/130

53.8%

 GnRH-a

36/130

27.7%

 Progestogen

13/130

10.0%

 COCsⁱ

11/130

8.5%

Recurrence

16/104

13.3%