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Table 4 Within-measurements comparison between the countries adjusted for baseline differences

From: Effectiveness of rehabilitation for working-age patients after a total hip arthroplasty: a comparison of usual care between the Netherlands and Germany

 

Netherlands

Germany

95% CIe

Mean (95% CI)

Mean (95% CI)

Lower

Upper

Timed Up & Go test

 T0

11.5 (10.6–12.3)

12.1 (11.1–13.1)

-1.9

0.6

 T1

13.3 (12.5–14.2)

13.0 (12.0–14.0)

-0.9

1.6

 T2

9.5 (8.6–10.3)

9.0 (8.0–10.0)

-0.8

1.7

 T3

8.5 (7.7–9.4)

8.2 (7.2–9.2)

-0.9

1.5

Five Times Sit-to Stand Test

 T0

19.6 (18.4–20.8)

18.1 (16.7–19.6)

-0.3

3.2

 T1

17.8 (16.6–19.0)

16.0 (14.6–17.4)

0.1

3.5

 T2

14.8 (13.6–16.0)

12.8 (11.4–14.2)

0.2

3.7

 T3

13.5 (12.3–14.7)

12.3 (10.9–13.7)

-0.5

2.9

HOOSa

 Pain

  T0

41.5 (37.7–45.3)

36.7 (32.2–41.1)

-0.6

10.3

  T1

74.5 (70.7–78.3)

78.1 (73.7–82.5)

-9.0

1.9

  T2

84.5 (80.6–88.3)

89.6 (85.2–94.0)

-10.6

0.3

  T3

87.9 (84.1–91.7)

93.1 (88.7–97.5)

-10.6

0.3

 Other symptoms

  T0

39.8 (35.9–43.6)

37.6 (33.2–42.0)

-3.3

7.6

  T1

67.2 (63.4–71.1)

75.1 (70.7–79.5)

-13.4

-2.4

  T2

77.4 (73.5–81.3)

83.0 (78.6–87.4)

-11.1

-0.1

  T3

80.6 (76.7–84.4)

87.2 (82.8–91.6)

-12.1

-1.1

 Function in ADL

  T0

40.5 (36.6–44.4)

36.2 (31.6–40.7)

-1.3

9.9

  T1

63.5 (59.6–67.5)

69.1 (64.6–73.7)

-11.2

0.0

  T2

77.9 (73.9–81.8)

85.0 (80.5–89.6)

-12.8

-1.6

  T3

84.1 (80.2–88.0)

89.9 (85.4–94.5)

-11.4

-0.3

 Function in sports and recreational activities

  T0

19.3 (13.8–24.8)

14.8 (8.4–21.2)

-3.3

12.3

  T1

37.3 (31.7–42.9)

40.6 (34.2–47.0)

-11.2

4.7

  T2

59.7 (54.1–65.2)

64.1 (57.7–70.5)

-12.3

3.4

  T3

67.9 (62.4–73.4)

75.1 (68.7–81.5)

-15.0

0.6

 Hip-related QoL

  T0

25.0 (20.4–29.6)

18.6 (13.3–23.8)

-0.1

12.9

  T1

48.8 (44.2–53.4)

50.8 (45.5–56.1)

-8.6

4.5

  T2

67.0 (62.4–71.6)

67.8 (62.5–73.0)

-7.4

5.7

  T3

72.3 (67.7–76.8)

77.0 (71.7–82.2)

-11.2

1.8

SF-36b

 Physical functioning

  T0

30.0 (25.4–34.5)

24.0 (18.7–29.2)

-0.6

12.6

  T1

39.0 (34.5–43.6)

47.3 (42.0–52.6)

-14.9

-1.7

  T2

62.3 (57.7–66.9)

73.2 (67.9–78.4)

-17.5

-4.3

  T3

69.9 (65.3–74.5)

81.1 (75.8–86.3)

-17.7

-4.7

 Role limitations: physical

  T0

21.0 (12.0–29.9)

16.4 (6.3–26.6)

-8.2

17.2

  T1

12.9 (4.0–21.9)

21.8 (11.7–32.0)

-21.6

3.9

  T2

49.2 (40.2–58.2)

55.7 (45.5–65.9)

-19.4

6.3

  T3

68.1 (59.2–77.0)

81.4 (71.2–91.5)

-25.9

0.6*

 Bodily pain

  T0

34.0 (29.0–39.0)

25.3 (19.8–30.9)

1.6

15.8

  T1

43.4 (38.4–48.4)

52.4 (46.8–58.0)

-16.2

-1.9

  T2

61.9 (56.9–67.0)

77.8 (72.2–83.4)

-23.0

-8.7*

  T3

71.6 (66.6–76.6)

86.6 (81.0–92.1)

-22.1

-7.9*

 General health perception

  T0

60.5 (56.7–64.3)

57.3 (52.9–61.7)

-2.2

8.7

  T1

68.4 (64.6–72.1)

68.9 (64.4–73.3)

-5.9

5.0*

  T2

67.5 (63.7–71.3)

73.0 (68.6–77.4)

-10.9

0.0*

  T3

67.6 (63.9–71.4)

72.3 (68.0–76.7)

-10.1

0.7*

 Vitality

  T0

49.7 (45.9–53.6)

45.6 (41.2–50.1)

-1.5

9.6

  T1

54.2 (50.4–58.1)

57.7 (53.2–62.1)

-9.0

2.1

  T2

63.7 (59.8–67.6)

69.0 (64.6–73.5)

-10.9

0.2

  T3

63.5 (59.6–67.3)

74.6 (70.2–79.0)

-16.7

-5.6*

 Social functioning

  T0

69.4 (63.5–75.3)

64.5 (57.6–71.4)

-3.5

13.3

  T1

57.9 (52.0–63.8)

72.3 (65.4–79.2)

-22.8

-5.9*

  T2

83.6 (77.7–89.5)

90.1 (83.4–97.0)

-15.0

1.9

  T3

87.7 (81.9–93.6)

92.3 (85.5–99.2)

-13.0

3.8

 Role limitations: emotional

  T0

75.3 (65.2–85.4)

75.9 (64.2–87.6)

-15.0

13.8

  T1

58.1 (48.0–68.2)

72.8 (61.0–84.6)

-29.2

-0.3*

  T2

80.1 (70.1–90.3)

92.0 (80.3–103.7)

-26.3

2.6*

  T3

84.4 (74.3–94.5)

96.3 (84.6–108.0)

-26.3

2.5*

 General mental health

  T0

72.9 (69.6–76.2)

68.4 (64.7–72.0)

-0.1

9.2

  T1

74.8 (71.5–78.1)

76.6 (72.9–80.3)

-6.5

2.8

  T2

81.8 (78.5–85.1)

82.6 (79.0–86.3)

-5.5

3.8

  T3

78.6 (75.4–81.9)

85.2 (81.6–88.9)

-11.2

-1.9

EQ-5D-3L

 Index scorec

  T0

0.6 (0.5–0.6)

0.6 (0.6–0.7)

-0.1

0.0

  T1

0.7 (0.7–0.8)

0.9 (0.8–0.9)

-0.2

-0.1

  T2

0.8 (0.8–0.9)

0.9 (0.9–1.0)

-0.2

-0.1

  T3

0.8 (0.8–0.9)

1.0 (0.9–1.0)

-0.2

-0.1

 VAS scored

  T0

61.7 (58.4–65.0)

53.2 (49.5–57.0)

3.7

13.2

  T1

68.1 (64.8–71.4)

73.0 (69.3–76.8)

-9.7

-0.2

  T2

73.9 (70.6–77.3)

82.7 (79.0–86.4)

-13.5

-4.0

  T3

74.6 (71.3–77.9)

84.8 (81.0–88.5)

-14.9

-5.4

  1. All data are presented as mean (95% CI)
  2. Significant at 0.05 bolded
  3. Abbreviations: ADL activities of daily living, EQ-5D-3L EuroQol 5 Dimensions 3 Level Questionnaire, FTSST Five Times Sit-to Stand Test, HOOS Hip disability and Osteoarthritis Outcome Score, QoL quality of life, SF-36 36-item Short Form Health Survey, TUG Timed Up & Go test, VAS visual analog scale
  4. aScale scores range 0–100 (0 = extreme symptoms, 100 = no symptoms)
  5. bScale scores range 0–100 (higher score = better perceived health or functioning)
  6. cScale scores range 0–1 (higher score = better health-related quality of life)
  7. dScale scores range 0–100 (higher score = better health-related quality of life)
  8. eMultilevel analysis
  9. *Result is above the value of the minimum clinically relevant difference (MCID). MCIDs of each HOOS subscales are 9 [38]. MCIDs of the SF36 subscales are: 20.40 (physical functioning), 10.78 (role limitations: physical), 14.67 (bodily pain), 0.40 (general health perception), 10.14 (vitality), 8.63 (social functioning), 6.45 (role limitations: emotional), 8.99 (general mental health) [39]. MCIDs of the EQ-5D-3L are: 0.31 (index value) and 23 (VAS value) [40]
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