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Table 1 Clinical characteristics of the two patient groups and control group

From: Relation between pelvic floor neurophysiological abnormalities and erectile dysfunction in patients with obstructed defecation

Clinical characteristics

OD with ED group

(n = 32 patients)

mean ± SD

OD without ED group

(n = 33 patients)

mean ± SD

Control group

(n = 15 subjects)

mean ± SD

Test of significance

P

Age (years)

40.96 ± 8.94

44.84 ± 11.33

42.80 ± 13.83

K = 2.076

0.354

Anthropometric measurements

     

Weight (kg)

72.43 ± 22.60

77.18 ± 13.92

79.10 ± 15.65

K = 2.491

0.288

Height (cm)

162.37 ± 6.26

162.12 ± 8.06

164.00 ± 6.76

K = 0.476

0.788

BMI (kg/m2)

27.36 ± 8.18

29.39 ± 5.15

26.40 ± 6.60

K = 4.449

0.108

BMI category

     

Underweight†

4 (12.5)

1 (3.0)

2 (13.3)

X2 = 14.506

0.069

Normal weight†

11 (34.3)

5 (15.2)

5 (33.3)

  

Overweight†

7 (21.9)

12 (36.3)

4 (26.7)

  

Obesity†

6 (18.8)

15 (45.5)

3 (20.0)

  

Morbid obesity†

4 (12.5)

0 (0.0)

1 (6.7)

  

Duration of symptoms (years)

5.84 ± 4.23

3.84 ± 1.85

NA

Z =  −1.748

0.081

MODS

13.06 ± 5.16

12.96 ± 5.03

NA

Z = −0.158

0.875

Time of toileting (minutes)

24.37 ± 14.71

20.75 ± 9.27

NA

Z = −0.756

0.450

PAC-QoL

42.34 ± 14.64

42.39 ± 14.41

NA

Z = −0.013

0.990

Erectile function domain of IIEF

18.71 ± 3.32

28.36 ± 1.47

NA

Z =  −6.956

 ≤ 0.0001*

Erectile function domain of IIEF interpretation

     

No ED†

0 (0)

33 (100)

NA

X2 = 65.000

 ≤ 0.0001*

Mild ED†

8 (25.0)

0 (0)

NA

  

Mild to moderate ED†

13 (40.6)

0 (0)

NA

  

Moderate ED†

11 (34.4)

0 (0)

NA

  

Severe ED†

0 (0)

0 (0)

NA

  

ED-EQoL

44.25 ± 10.09

NA

NA

NA

NA

ED-EQoL interpretation

     

Mildly affected QoL†

0 (0)

NA

NA

NA

NA

Moderately affected QoL†

4 (12.5)

NA

NA

NA

NA

Severely affected QoL†

28 (87.5)

NA

NA

NA

NA

Clinical and MRI findings

     

MOS‡

4 (3–4)||

4 (3–5)¶

5 (5–0)||¶

K = 42.160

 ≤ 0.0001*

Rectocele†

14 (43.8)

13 (39.4)

NA

X2 = 0.127

0.804§

Rectal intussusception†

7 (21.9)

4 (12.1)

NA

X2 = 1.099

0.237§

Increased perineal descent†

18 (56.3)

14 (42.4)

NA

X2 = 1.242

0.325§

Anismus†

28 (87.5)

25 (75.8)

NA

X2 = 1.488

0.339§

Type of OD

     

Functional OD†

13 (40.6)

18 (54.5)

NA

X2 = 1.262

0.324§

Functional with mechanical OD†

19 (59.4)

15 (45.5)

NA

  

Hypoesthesia on the sensory territory of pudendal nerve†

22 (68.8)

3 (9.1)

NA

X2 = 24.430

 ≤ 0.0001*

  1. Kg, kilogram; cm; centimeter; BMI, body mass index; kg/m2, kilogram per meter square; MODS, modified obstructed defecation score; PAC-QoL, Patient assessment of Constipation-Quality of life questionnaire; IIEF, International Index of Erectile Function questionnaire; ED-EQoL, Erectile Dysfunction-Effect on Quality of Life questionnaire; MRI, dynamic pelvis magnetic resonance imaging; MOS, Modified Oxford Scale; OD, obstructed defecation; ED, erectile dysfunction; n, number of subjects; SD, standard deviation; K, value of Kruskel-Wallis test; X2, value of Chi-square test; Z, value of Mann Whitney test; NA, not applicable
  2. *P is significant at < 0.05
  3. †Data are reported as number (percentage)
  4. ‡Data are reported as median (range)
  5. §Value of Fisher’s Exact test
  6. || Statistical significance difference between OD with ED group versus control group (Z =  −6.137, P ≤ 0.0001)
  7. ¶Statistical significance difference between OD without ED group versus control group (Z = − 5.405, P ≤ 0.0001)