Table 1 Hierarchical clustering of patients in accordance to their pain, modified EHP and SF 36 profile, and Cluster 1 sub-groups

Characteristics

Cluster 1 (n = 35)

Cluster 2 (n = 14)

Cluster 3 (n = 11)

Physical SF 36

37.5 (18.8–50)

18.75 (12.5–37.6)

87.5 (81.3–87.8)

Emotional SF 36

36.25 (28.8–43.8)

18.75 (10–25)

77.5 (68.7–82.5)

EHP Pain

56.8 (50–64)

72.7 (70–77)

29.5 (9–36)

EHP Control

75.0 (62.5–87.5)

93.75 (83.3–100)

41.7 (20.8–54.2)

EHP Emotion

58.3 (41.7–66.7)

87.5 (75–100)

8.3 (0–37.5)

EHP Social

56.3 (37.5–68.8)

84.3 (75–100)

25 (6.3–50)

EHP Image

50 (33.3–66.7)

83.3 (75–83.3)

8.3 (0–33.3)

Length of surgery/diagnosis (years)

4 (0.7–9.5)

9.9 (2.8–14.7)

2 (1.0–4.3)

Worst pain intensity in the last 6 months (0–10)

10 (9–10)

10 (9–10)

8 (6–9)

Average pain intensity in the last 6 months (0–10)

7 (6–8)

8 (7–9)

5 (4–7)

Pain score today (0–100)

34 (18–62)

67 (51–78)

16 (2–23)

Characteristics

Subgroup 1 n = 13

Subgroup 2 n = 10

Subgroup 3 n = 12

Physical SF 36

18.75 (18.75–32.25)

59.4 (44–69)

37.5 (28.1–43.8)

Emotional SF 36

35 (26.3–38.75)

38.8 (32.5–61.3)

36.25 (29.4–43.8)

EHP Pain

61.3 (56.8–70.4)

52.3 (50–66)

56.8 (43.2–61.4)

EHP Control

79.2 (78–87.5)

72.9 (58.3–87.5)

62.5 (56.3–79.2)

EHP Emotion

62.5 (50–66.6)

66.7 (54.2–83.3)

43.8 (37.5–60.4)

EHP Social

50 (43.8–62.5)

71.9 (56–81)

37.5 (31.3–59.4)

EHP Image

50 (41.7–66.7)

41.7 (33.3–66.7)

41.7 (4.2–66.6)

Length of surgery/diagnosis (years)

1.6 (0.5–4.4)

1.8 (0.7–3.8)

9.6 (6.3–14.6)

Worst pain intensity in the last 6 months (0–10)

10 (9–10)

10 (9–10)

10 (8.5–10)

Average pain intensity in the last 6 months (0–10)

8 (7–8)

6.5 (6–8)

7 (6.5–8)