Figure 3

Percentage of patients with PHN (reported pain at the visit) at 3 (black bar) and 6 months (grey bar) among patients with pain at 1 month and 3 months. A: all patients aged ≥50; B: patients aged ≥ 70. 36.8% of patients aged ≥ 50 years and 44.1% of those aged ≥70 years with pain at 1 month had persistent pain at 3 months. 43.5% of patients aged ≥50 years and 51.3% of those aged ≥70 years with persistent pain at 3 months still had pain present at 6 months.