Fig. 2From: Infrared thermography for assessment of thoracic paravertebral block: a prospective observational studyA Number of patients with loss of pinprick sensation at 20 min after thoracic paravertebral block. B Density distribution for upper and lower level of loss of pinprick sensation at 20 min after thoracic paravertebral block. Median values are shown as black linesBack to article page