Table 1 Outcome data of the Raynaud's phenomenon diary*.

	No. of RP attacks/day	Duration (minutes) RP attacks/day	Raynaud's condition score/day	Outdoor temperature (°C)
Baseline	2.9 ± 1.9	62.3 ± 47.3	4.8 ± 2.6	2.7 ± 1.1
Week 8	1.8 ± 1.5†	30.0 ± 8.7†	3.6 ± 2.5†	1.9 ± 1.9
Week 16	0.9 ± 1.2†	11.6 ± 12.1†	2.7 ± 2.1†	11.9 ± 3.2†
End of follow‐up	1.2 ± 1.7†	13.3 ± 13.7†	3.0 ± 2.1†	13.7 ± 3.2†

RP, Raynaud's phenomenon. *Data are presented as mean ± SD. ^†p<0.05 compared with baseline.