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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Eur J Obstet Gynecol Reprod Biol. 2021 Jul 22;264:247–253. doi: 10.1016/j.ejogrb.2021.07.029

Table 3.

Associations of pain symptoms and Endometriosis Health Profile-30 scales with the number of tender areas in the pelvic floor, abdomen, and uterus1,2

Pelvic floor tender areas3 Abdominal tender areas4 Uterine tenderness5
Low Tenderness (N=44) High Tenderness (N=44) p-value6 Low Tenderness (N=51) High Tenderness (N=37) p-value6 Low Tenderness (N=37) High Tenderness (N=51) p-value6
Duration of pain (years) 4.50 (0–29) 4.50 (0–20) 0.71 3.50 (0–26) 5.00 (0.83–29.0) 0.09 2.00 (0–29) 5.00 (0.83–23) 0.04
Endometriosis Health Profile-30
Pain 9.09 (0–56.8) 38.6 (0–75.0) <0.001 13.6 (0–68.2) 38.6 (0–75.0) <0.001 4.55 (0–68.2) 40.9 (0–75.0) <0.001
Control and helplessness 4.17 (0–91.7) 50.0 (0–95.8) <0.001 16.7 (0–91.7) 50.0 (0–95.8) <0.001 0 (0–83.3) 50.0 (0–95.8) <0.001
Emotion 4.17 (0–58.3) 33.3 (0–79.2) <0.001 8.33 (0–62.5) 29.2 (0–79.2) 0.004 0 (0–62.5) 33.3 (0–79.2) <0.001
Social 6.25 (0–81.3) 37.5 (0–100) 0.001 6.25 (0–75.0) 37.5 (0–100) 0.002 6.25 (0–68.8) 37.5 (0–100) <0.001
Self-image 8.33 (0–75) 41.7 (0–83.3) <0.001 16.7 (0–75.0) 50.0 (0–83.3) <0.001 0 (0–58.3) 41.7 (0–83.3) <0.001
Dysmenorrhea
None/mild 15 (35.7) 1 (2.3) <0.001 16 (32.0) 0 (0.0) <0.001 14 (37.8) 2 (4.1) <0.001
Moderate/Severe 27 (64.3) 43 (97.7) 34 (68.0) 36 (100) 23 (62.2) 47 (95.9)
Dysuria
None/mild 39 (92.9) 37 (84.1) 0.31 44 (88.0) 32 (88.9) 0.99 34 (94.4) 42 (84.0) 0.18
Moderate/Severe 3 (7.1) 7 (15.9) 6 (12.0) 4 (11.1) 2 (5.6) 8 (16.0)
Dyschezia
None/mild 30 (71.4) 24 (54.5) 0.11 33 (66.0) 21 (58.3) 0.47 28 (77.8) 26 (52.0) 0.01
Moderate/Severe 12 (28.6) 20 (45.5) 17 (34.0) 15 (41.7) 8 (22.2) 24 (48.0)
Dyspareunia (deep pain)
None/mild 26 (63.4) 9 (21.4) <0.001 29 (59.2) 6 (17.6) <0.001 24 (68.6) 11 (22.9) <0.001
Moderate/Severe 15 (36.6) 33 (78.6) 20 (40.8) 28 (82.4) 11 (31.4) 37 (77.1)
Dyspareunia (pain with entry)
None/mild 35 (85.4) 23 (54.8) 0.002 40 (83.3) 18 (51.4) 0.002 32 (91.4) 26 (54.2) <0.001
Moderate/Severe 6 (14.6) 19 (45.2) 8 (16.7) 17 (48.6) 3 (8.6) 22 (45.8)
McGill Present Pain Intensity
No/mild pain 31 (73.8) 12 (27.3) <0.001 36 (72.0) 7 (19.4) <0.001 30 (81.1) 13 (26.5) <0.001
Discomforting/distressing pain 8 (19.1) 24 (54.5) 12 (24.0) 20 (55.6) 7 (18.9) 25 (51.0)
Horrible/excruciating pain 3 (7.1) 8 (18.2) 2 (4.0) 9 (25.0) 0 (0.0) 11 (22.5)
1

Data are given as median (range) for continuous variables and sample size (percentage) for categorical variables.

2

Sample size is 86 for pain duration, dysmenorrhea, dysuria, dyschezia, and McGill present pain intensity; sample size is 83 for dyspareunia (deep pain) and dyspareunia (pain with entry); sample size is 80 for Endometriosis Health Profile-30 scales

3

Pelvic floor tender areas assessed at right/left pubococcygeus, right/left iliococcygeus, and right/left coccygeus. Each area reported as tender was palpated with 2kg of pressure and a 0–10 pain rating was obtained. High tenderness defined as >2 areas with pain rating of ≥4 on 0–10 scale (moderate/severe pain).

4

Abdominal tender areas assessed at right/left upper and right/left lower abdominal, suprapubic and umbilical areas. High tenderness defined as >1 tender area reported as tender.

5

Uterine tenderness assessed at posterior lower uterine segment with single digit vaginal exam. Participants with uterine tenderness had 2kg of pressure applied to the area and reported a 0–10 pain rating. High tenderness was defined as uterine tenderness with a pain rating of ≥4 on 0–10 scale (moderate/severe pain).

6

Two-sided probability values from Chi-square or Fisher’s exact test for categorical variables and from Wilcoxon Rank Sum for continuous variables