Figure 1From: An observational cohort study of the effects of septoplasty with or without inferior turbinate reduction in patients with obstructive sleep apnea The self-reported improvement of sleep quality after surgery. The improvement (VAS sleep) described as mild, moderate or good. The values for septoplasty in blue (left) and the values for septoplasty and volumereduction of the inferior turbinates in green (right).Back to article page