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Table 3 Administration of abobotulinumtoxinA at baseline (Visit 1) by country and overall

From: Spectrum of practice in the routine management of cervical dystonia with abobotulinumtoxinA: findings from three prospective open-label observational studies

Parameter

Overall (N = 1202)*

France (N = 118)

Germany (N = 95)

Russia (N = 96)

UK (N = 59)

USA (N = 277)

Total aboBoNT-A dose (U)

 Mean ± SD

563 ± 245

571 ± 159

647 ± 270

674 ± 219

503 ± 163

564 ± 235

 Median [range]

500 [50–1700]

500 [200–1000]

500 [120–1600]

500 [250–1000]

500 [150–1150]

500 [100–1502]

 Number of muscles injected; median [range]

3 [1–11]

3 [1–6]

4 [1–10]

4 [2–9]

3 [1–6]

5 [1–18]

Most commonly injected muscles; n (% subjects)

 Splenius capitis

1087 (90.4)

113 (95.8)

87 (91.6)

95 (99.0)

52 (88.1)

249 (89.9)

 Sternocleidomastoid

967 (80.4)

102 (86.4)

83 (87.4)

95 (99.0)

44 (74.6)

196 (70.8)

 Trapezius

739 (61.5)

54 (45.8)

44 (46.3)

82 (85.4)

32 (54.2)

155 (56.0)

 Levator scapulae

569 (47.3)

39 (33.1)

55 (57.9)

52 (54.2)

28 (47.5)

174 (62.8)

 Semispinalis capitis

334 (27.8)

24 (20.3)

36 (37.9)

23 (24.0)

11 (18.6)

126 (45.5)

 Scalene group**

164 (13.8)

4 (3.4)

14 (14.7)

9 (9.4)

0

53 (19.1)

 Longissimus group**

86 (7.2)

4 (3.4)

4 (4.2)

0

0

57 (20.6)

 Splenius cervicis

60 (5.0)

1 (0.8)

3 (3.2)

0

0

44 (15.9)

 Obliquus capitis inferior

42 (3.5)

1 (0.8)

7 (7.4)

1 (1.0)

0

19 (6.9)

 Platysma

24 (2.0)

1 (0.8)

5 (5.3)

5 (5.2)

2 (3.4)

0

Number of injection points; median [range]

7.0 [1–34]

4.5 [1–16]

8.0 [2–27]

9.5 [4–28]

4.0 [1–6]

9.0 [1–34]

Injected volume (mL); median [range]

2.00 [0.2–12.0]

1.25 [0.6–5.0]

2.50 [0.6–8.0]

2.00 [0.5–5.0]

2.25 [0.7–4.6]

2.00 [0.2–12.0]

Use of injection guidance; n (%)

486 (40.5)

50 (42.4)

68 (71.6)

12 (12.5)

1 (1.7)

166 (59.9)

Interval since last injection (days);***

n/N = 385/849

n/N = 47/91

n/N = 20/62

n/N = 31/76

n/N = 19/54

n/N = 78/114

Median [range]

108.3 [15.0–317.7]

108.9 [68.8–284.2]

99.5 [57.7–214.0]

112.5 [76.9–256.5]

104.2 [50.8–198.0]

94.3 [15.0–225.0]

  1. * Missing data for one subject. **Scalene group includes muscles reported in the eCRF as scalenus or scalene (medius, anterior and/or posterior). Longissimus group includes muscles reported in the eCRF as longissimus, longissimus capitis and/or longissimus cervicis. ***Injection prior to study entry, where N = subjects previously treated with abobotulinumtoxinA only
  2. AboBoNT-A abobotulinumtoxinA, eCRF electronic case report form, mL milliliter, SD standard deviation, U units, UK United Kingdom, USA United States of America