Fig. 1
From: Can 6-minute walk test predict severity of obstructive sleep apnea syndrome?

Correlation of time spent <90%, AHI and DI during polysomnography with distance walked and O2 saturation in the 6-min walk test
From: Can 6-minute walk test predict severity of obstructive sleep apnea syndrome?
Correlation of time spent <90%, AHI and DI during polysomnography with distance walked and O2 saturation in the 6-min walk test