A Prospective Study of Catheter-Related Complications of Intrathecal Drug Delivery Systems Kenneth A Follett, MD, PhD, Claus P Naumann, MD Journal of Pain and Symptom Management Volume 19, Issue 3, Pages 209-215 (March 2000) DOI: 10.1016/S0885-3924(99)00153-0
Fig. 1 Kaplan-Meier curves illustrating the proportion of patients who experienced no complications over the follow-up period. Catheter-specific complications (bold solid line), procedure-related complications (dashed line), and combined (catheter-specific and procedure-related) complications (light solid line) are shown. Data reflect time to first complication for 209 implanted catheters (recurrent complications are not included in this lifetable analysis) Journal of Pain and Symptom Management 2000 19, 209-215DOI: (10.1016/S0885-3924(99)00153-0)