Table 1.

Baseline demographics of patients. Values are median (IQR) unless otherwise specified.

CharacteristicsPrimary RP, n = 18SSc, n = 25p
Age, yrs51.7 (19.3)59.2 (19.8)0.03
Age at RP onset, yrs20 (24)35 (19)0.02
Age at diagnosis, yrs43 (6)45 (19)0.61
Male, n (%)4 (22.2)5 (20)1.00
Female, n (%)14 (77.8)20 (80)1.00
Vasodilatory therapy
  Any, n (%)5 (27.8)12 (48)0.22
  Calcium antagonist3 (16.7)6 (24)0.71
  ACEi0 (0)7 (28)0.03
  SSRI2 (11.1)1 (4)0.56
ERA0 (0)2 (8)0.50
Smoking history, n (%)
  Never10 (55.6)13 (52)1.00
  Ex7 (38.9)9 (36)1.00
  Current1 (5.5)3 (12)0.63
Season enrolled, n (%)
  Autumn/winter10 (55.6)13 (52)1.00
  Spring/summer8 (44.4)12 (48)1.00
  • Significant data are in bold face. IQR: interquartile range; RP: Raynaud phenomenon; SSc: systemic sclerosis; ACEi: angiotensin-converting enzyme inhibitor; SSRI: selective serotonin reuptake inhibitors; ERA: enthesitis-related arthritis.