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Total
(n = 182)
The Netherlands (n = 88)
France
(n = 58)
The United Kingdom (n = 15)
Spain
(n = 10)
Elsewhere (n = 11)
P -value a
MSQOL-54
Physical health composite score, mean (SD)
42.54 (17.15)
42.07 (16.72)
42.14 (16.73)
31.89 (15.18)
55.65 (16.98)
49.97 (17.61)
0.017I
Physical function
54.86 (30.63)
49.55 (29.43)
63.85 (30.35)
28.74 (26.65)
72.00 (18.74)
70.00 (24.49)
< 0.000II
Health perception
38.8 (22.56)
38.42 (24.19)
35.93 (18.73)
34.53 (18.59)
54.17 (22.62)
48.75 (27.48)
0.177
Energy/ fatigue
35.88 (19.86)
38.95 (20.79)
30.41 (17.51)
27.47 (12.18)
44.20 (21.05)
44.00 (22.77)
0.022
Role limitations – physical
30.77 (37.35)
26.04 (34.06)
35.06 (39.70)
16.67 (30.86)
60.00 (44.41)
38.64 (39.31)
0.043III
Pain
65.81 (25.7)
68.22 (25.48)
63.16 (26.08)
53.89 (30.1)
72.00 (15.03)
71.06 (24.18)
0.388
Sexual function combined
65.89 (27.13)
70.17 (26.65)
60.49 (24.76)
49.4 (32.44)
76.67 (26.88)
71.22 (26.45)
0.013
Sexual function male
65.57 (29.27)
63.34 (30.64)
68.53 (26.61)
47.23 (41.12)
80.56 (26.79)
75.01 (25.00)
0.769
Sexual function female
65.97 (26.64)
72.19 (25.26)
59.01 (24.41)
50 (32.06)
75.00 (28.87)
69.80 (28.50)
0.008IV
Health distress
54.95 (24.59)
56.33 (24.56)
50.34 (24.88)
53 (22.82)
69.50 (28.03)
57.73 (19.02)
0.251
Mental health composite score, mean (SD)
58.26 (21.48)
62.15 (19.89)
51.93 (22.34)
54.98 (23.1)
65.98 (25.00)
57.64 (17.83)
0.060V
Health distress
54.95 (24.59)
56.33 (24.56)
50.34 (24.88)
53 (22.82)
69.50 (28.03)
57.73 (19.02)
0.251
Overall quality of life
58.51 (19.06)
60.98 (18.48)
55.83 (20.07)
48.11 (19.05)
64.08 (14.94)
61.29 (17.08)
0.082
Emotional well-being
62.53 (21.01)
68.09 (18.45)
53.36 (22.06)
60 (22.32)
66.00 (24.96)
66.64 (13.84)
0.003VI
Role limitations – emotional
57.04 (43.51)
63.22 (42.54)
47.95 (42.73)
53.33 (46.80)
70.00 (42.89)
48.48 (47.99)
0.195
Cognitive function
54.52 (24.85)
56.19 (24.06)
51.18 (23.85)
58.00 (32.34)
58.50 (23.46)
50.45 (28.24)
0.610
Change in health
44.23 (26.29)
47.16 (29.47)
43.97 (23.09)
31.67 (19.97)
52.5 (27.51)
31.82 (11.68)
0.079
Satisfaction with sexual function
52.63 (33.47)
51.42 (36.03)
51.29 (28.65)
40.38 (36.14)
72.5 (34.26)
65.91 (25.67)
0.121
SF-36
Physical composite scale, mean (SD)
46.82 (22.60)
44.71 (21.25)
48.56 (22.30)
32.90 (19.38)
65.10 (22.34)
56.9 (26.05)
0.007VII
Mental composite scale, mean (SD)
53.11 (22.45)
57.02 (21.09)
46.40 (22.57)
44.54 (22.23)
65.69 (25.22)
57.25 (20.17)
0.016VIII
MSQOL-54 Multiple Sclerosis Quality of Life −54 instrument, SF-36 Medical Outcomes Study Short Form-36. a Kruskal-Wallis test and post-hoc analysis using Dunn’s test and Bonferroni correction. I Significant difference in mean physical health composite score between the United Kingdom and Spain (p = 0.007); II Significant difference in mean physical function scores between the United Kingdom and France, the United Kingdom and elsewhere and the United Kingdom and Spain (p = < 0.000 for all three situations), and France and the Netherlands (p = 0.04); III Significant differences in mean role limitations physical between the United Kingdom and Spain (p = 0.029); IV Significant difference in mean sexual function female between France and elsewhere (p = 0.014); V Significant difference in mean mental health composite score between France and the Netherlands (p = 0.046); VI Significant difference in mean emotional well-being score between France and the Netherlands (p < 0.000); VII Sig difference between the United Kingdom and Spain (p = 0.003), almost reaching significance difference between the United Kingdom and elsewhere (p = 0.057), and the Netherlands and Spain (p = 0.059); VIII Almost reaching sig difference between France and Spain (p = 0.058). The sample size varied somewhat across the scales and the scores were calculated by excluding missing data [11 ]. For 27 questions the range of missing data was 0.55–2.75% (n = 1 to n = 5). Additionally, the range of missing data for four out of five health perception scale questions was higher (n = 20 to n = 54; 14.83–29.67%)
Missing data: The sample size varied somewhat across the domains, the composite scores were calculated from the domains by excluding missing data. Missing data were found in physical health function question 3 (0.55%, n = 1 from the UK), physical health function question 5 (0.55%, n = 1 from FR), physical health function question 8 (1.65%, n = 3 from the NL), physical health function question 10 (0.55%, n = 1 from the NL), health perceptions question 34 (25.27%, n = 4, n = 7, n = 31, n = 2, and n = 2 from the UK, FR, NL, SP and elsewhere, respectively), health perceptions question 35 (10.99%, n = 3, n = 6, n = 9, n = 2 from the UK, FR, NL and SP country of residence, respectively), health perceptions question 36 (29.67%, n = 3, n = 15, n = 30, n = 4, n = 2 from the UK, FR, NL, SP and elsewhere, respectively), health perceptions question 37 (14.83%, n = 2, n = 12, n = 11, n = 4, n = 2 from the UK, FR, NL and SP country of residence, respectively), energy/fatigue question 23 (0.55%, n = 1 from SP), energy/fatigue question 27 (0.55%, n = 1 from FR), energy/fatigue question 29 (1.10%, n = 1, n = 1 from FR and NL respectively), energy/fatigue question 32 (1.65%, n = 3 from FR), role limitations physical question 13 (1.10%, n = 2 from FR), role limitations physical question 14 (0.55%, n = 2 from NL), role limitations physical question 15 (0.55%, n = 1 from NL), role limitations physical question 16 (1.10%, n = 2 from NL), sexual function male (0.55%, n = 1 from NL), sexual function female (0.55%, n = 1 from UK), satisfaction with sexual function (1.10%, n = 2 from UK), health distress question 39 and 40 (0.55%, n = 1 from NL in both cases), overall quality of life (0.55%, n = 1 from FR), emotional well-being question 28 (2.20%, n = 1, n = 2, n = 1 from FR, NL and elsewhere, respectively), emotional well-being question 30 (0.55%, n = 1 from FR), role limitations emotional question 17 (1.10%, n = 1, n = 1 from FR and NL, respectively), role limitations emotional question 18 (1.65%, n = 2, n = 1 from FR and NL, respectively), role limitations emotional question 19 (2.20%, n = 2, n = 2 from FR and NL, respectively), cognitive function question 42 (0.55%, n = 1 from SP), cognitive function question 43 (1.10%, n = 2 from ES), cognitive function question 44 (1.65%, n = 1, n = 1, n = 1 from FR, NL and SP, respectively), cognitive function question 45 (2.75%, n = 1, n = 4 from FR and SP, respectively).
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