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Table 1 Patient Characteristics

From: Association between cervical artery dissection and spinal manipulative therapy –a medicare claims analysis

Demographics

VAD Cases (n = 3,926)

VAD-matched Population Controls

(n = 39,109)

CAD Cases (n = 5,095)

CAD-matched Population Controls

(n = 50,783)

Ischemic Stroke Controls

(n = 2,964,073)

Age (mean, SD)

71.17 (12.87)

71.16 (12.87)

70.18 (12.80)

70.18 (12.8)

75.37 (11.22)

Race (n, %)

     

White

3,397 (86.79)

32,831 (83.95)

4,279 (84.32)

42,804 (84.29)

2,415,527 (81.62)

Black

294 (7.51)

3,743 (9.57)

527 (10.38)

4878 (9.61)

390,799 (13.21)

Asian

72 (1.84)

718 (1.84)

86 (1.69)

905 (1.78)

46,684 (1.58)

Hispanic

59 (1.51)

854 (2.18)

84 (1.66)

1,005 (1.98)

58,771 (1.99)

Native American

20 (0.51)

189 (0.48)

20 (0.39)

254 (0.50)

13,031 (0.44)

Other

72 (1.84)

535 (1.37)

79 (1.56)

676 (1.33)

34,562 (1.17)

Gender (n, %)

     

Male

2,067 (52.65)

20,571 (52.6)

2,628 (51.58)

26,209 (51.61)

1,308,192 (44.08)

Female

1,859 (47.35)

18,538 (47.4)

2,467 (48.42)

24,574 (48.39)

1,659,762 (55.92)

  1. VAD: Vertebral Artery Dissection; CAD: Carotid Artery Dissection; SD: Standard Deviation