1. Figure 3 Numerical pain rating scores (NRS) before initiation of intrathecal therapy and at a 4–6-week follow-up visit. The thicker lines denote superimposed lines containing two or more data sets. IT = intrathecal.
From: Patient-Controlled Intrathecal Analgesia for the Management of Breakthrough Cancer Pain: A Retrospective Review and Commentary
Pain Med. 2011;12(12): doi: /j x
Pain Med | Wiley Periodicals, Inc.

2. Figure 2 Pie chart representing the percent reduction nonintrathecal breakthrough opioids 4–6 weeks after initiation of intrathecal therapy.
From: Patient-Controlled Intrathecal Analgesia for the Management of Breakthrough Cancer Pain: A Retrospective Review and Commentary
Pain Med. 2011;12(12): doi: /j x
Pain Med | Wiley Periodicals, Inc.

3. Figure 1 Pie chart representing the percent reduction in total nonintrathecal opioids 4–6 weeks after initiation of intrathecal therapy.
From: Patient-Controlled Intrathecal Analgesia for the Management of Breakthrough Cancer Pain: A Retrospective Review and Commentary
Pain Med. 2011;12(12): doi: /j x
Pain Med | Wiley Periodicals, Inc.