Table 3.

Characteristics of patients (n = 36) with primary Raynaud’s phenomenon associated with cryofibrinogenemia (CF). Values are mean ± SE of the mean.

Characteristic
Age, yrs41.6 ± 3.1
Female/male28/8
CF, mg/dl115 ± 11.3
Fibrinogen/fibronectin (n = 18)94 ± 8.9
Fibrinogen/fibronectin/immunoglobulin (n = 9)116 ± 23.4
Fibrinogen (n = 9)167 ± 35.5
Nailfold capillaroscopy
  Positive0/36
  Negative36/36
Antinuclear antibody titer< 1/80