Table 1

Demographic data from cohorts A and B

Cohort A

Cohort B

Age

Age

20

38

68

39

64

30

54

60

60

53

57

49

65

66

71

44

53

68

74

66

61

61

49

48

68

64

68

56

46

52

75

51

57

47

80

56

59

73

51

76

52

39

66

53

58

69

75

68

51

59

67

34

78

59

44

60

66

69

66

47

68

66

74

34

54

71

45

55

56

71

55

Age is shown in years. The mean age was 53.36 years (+/- 12.63) for cohort A and 60.24 years (+/-11.63) for cohort B (+/-SD). The median age for cohort A was 54.00 years and for cohort B, 61.00 years. Patients in both cohorts were predominantly female (72.7% in cohort A and 73.5% in cohort B).

Page et al. Arthritis Research & Therapy 2012 14:R260   doi:10.1186/ar4105