Fig. 1.
Comparison of MOS-Sleep scales between SSc patients, previous MOS participants and US general population. *P < 0.05. SLPQRAW: sleep quantity (h); SLPD: sleep disturbance; SLPSNR: snoring; SLPSOB: awakening short of breath or with headache; SLPA2: sleep adequacy; SLPS3: daytime somnolence. All scales (except sleep quantity) are scored from 0 to 100. In addition, all scales (except sleep adequacy) are scored from better (0) to worse (100). Sleep adequacy is scored from worse (0) to better (100).