Table 2 Comparison of various characteristics and risk factors according to surgical success

Local excision (n = 58)

Successful (n = 39)

Unsuccessful (n = 19)

p value

Age (years)

(mean ± SD)

42.1 ± 13.5

41.6 ± 14.7

0.734

BMI (weight/height²)

(mean ± SD)

26.7 ± 3.7

24.5 ± 3.8

0.024

Surgery duration (min)

(mean ± SD)

27.5 ± 17.7

31.6 ± 23.7

0.798

HDSS

(mean ± SD)

6.86 ± 3.83

7.73 ± 4.8

0.558

Sex

Male

25 (64.1%)

13 (68.4%)

0.745

Female

14 (35.9%)

6 (31.6%)

TEH localization

Anterior

2 (5.1%)

1 (5.3%)

0.748

Posterior

4 (10.3%)

2 (10.5%)

Right lateral

22 (56.4%)

8 (42.1%)

Left lateral

3 (7.7%)

1 (5.3%)

Multiple

8 (20.5%)

7 (36.8%)

Surgery position

Prone/Jackknife

29 (74.4%)

9 (47.4%)

0.081

Lithotomy

6 (15.4%)

4 (21.1%)

Left lateral decubitus

4 (10.3%)

6 (31.6%)

Working position

 < 4 h in a sitting position

11 (28.2%)

5 (26.3%)

1.000

 ≥ 4 h in a sitting position

28 (71.8%)

14 (73.7%)

Diabetes mellitus

Yes

8 (20.5%)

6 (31.6%)

0.514

No

31 (79.5%)

13 (68.4%)

Hypertension

Yes

11 (28.2%)

6 (31.6%)

1.000

No

28 (71.8%)

13 (68.4%)

Anorectal surgery history

Yes

3 (7.7%)

1 (5.3%)

1.000

No

36 (92.3%)

18 (94.7%)

Family TEH history

Yes

5 (12.8%)

3 (15.8%)

1.000

No

34 (87.2%)

16 (84.2%)

Straining during defecation

Never

8 (20.5%)

2 (10.5%)

0.399

Rarely

14 (35.9%)

4 (21.1%)

Sometimes

10 (25.6%)

8 (42.1%)

Usually

6 (15.4%)

5 (26.3%)

Always

1 (2.6%)

0 (0%)

Constipation

Yes

19 (48.7%)

16 (84.2%)

0.010

No

20 (51.3%)

3 (15.8%)

Diarrhea

Yes

2 (5.1%)

2 (10.5%)

0.446

No

37 (94.9%)

17 (89.5%)

Anal fissure

Yes

4 (10.3%)

2 (10.5%)

0.975

No

35 (89.7%)

17 (89.5%)

Skin tag

Yes

10 (25.6%)

8 (42.1%)

0.203

No

29 (74.4%)

11 (57.9%)

Travel history

Yes

1 (2.6%)

6 (31.6%)

0.001

No

38 (97.4%)

13 (68.4%)

Anoreceptive intercourse

Yes

2 (5.1%)

2 (10.5%)

0.446

No

37 (94.9%)

17 (89.5%)

Any type of conservative treatment prior to surgery

Yes

25 (64.1%)

13 (68.4%)

0.745

No

14 (35.9%)

6 (31.6%)

Thrombectomy (n = 38)

Successful (n = 33)

Unsuccessful (n = 5)

p value

 Age (years)

(mean ± SD)

41.8 ± 11

34.2 ± 10.2

0.112

 BMI, (weight/height²)

(mean ± SD)

26.7 ± 3.8

26.2 ± 3.6

0.834

 Surgery duration (min)

(mean ± SD)

25.1 ± 15.1

23.8 ± 8.5

0.861

 HDSS

(mean ± SD)

6.03 ± 2.87

4.4 ± 3.13

0.557

 Sex

Male

29 (87.9%)

2 (40%)

0.010

Female

4 (12.1%)

3 (60%)

 TEH localization

Anterior

5 (15.2%)

0 (0%)

0.752

Posterior

10 (30.3%)

1 (20%)

Right lateral

6 (18.2%)

2 (40%)

Left lateral

6 (18.2%)

1 (20%)

Multiple

6 (18.2%)

1 (20%)

 Surgery position

Prone/Jackknife

27 (81.8%)

3 (60%)

0.032

Lithotomy

6 (18.2%)

1 (20%)

Left lateral decubitus

0 (0%)

1 (20%)

 Working position

 < 4 h in a sitting position

10 (30.3%)

2 (40%)

0.664

 ≥ 4 h in a sitting position

23 (69.7%)

3 (60%)

 Diabetes mellitus

Yes

2 (6.1%)

0 (0%)

1.000

No

31 (93.9%)

5 (100%)

 Hypertension

Yes

2 (6.1%)

1 (20%)

0.353

No

31 (93.9%)

4 (80%)

 Anorectal surgery history

Yes

1 (3%)

0 (0%)

1.000

No

32 (97%)

5 (100%)

 Family TEH history

Yes

6 (18.2%)

0 (0%)

0.570

No

27 (81.8%)

5 (100%)

 Straining during defecation

Never

4 (12.1%)

2 (40%)

0.246

Rarely

14 (42.4%)

0 (0%)

Sometimes

5 (15.2%)

1 (20%)

Usually

7 (21.2%)

2 (40%)

Always

3 (9.1%)

0 (0%)

 Constipation

Yes

18 (54.5%)

2 (40%)

0.653

No

15 (45.5%)

3 (60%)

 Diarrhea

Yes

1 (3%)

0 (0%)

1.000

No

32 (97%)

5 (100%)

 Anal fissure

Yes

3 (9.1%)

0 (0%)

1.000

No

30 (90.9%)

5 (100%)

 Skin tag

Yes

4 (12.1%)

1 (20%)

0.527

No

29 (87.9%)

4 (80%)

 Travel history

Yes

4 (12.1%)

0 (0%)

1.000

No

29 (87.9%)

5 (100%)

 Anoreceptive intercourse

Yes

0 (0%)

0 (0%)

N/A

No

33 (100%)

5 (100%)

 Any type of conservative treatment prior to surgery

Yes

20 (60.6%)

4 (80%)

0.633

No

13 (39.4%)

1 (20%)