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. 2017 Oct 24;8:1377. doi: 10.3389/fimmu.2017.01377

Figure 4.

Figure 4

Levels of IgG antibodies against varicella zoster virus (VZV) among 35 giant cell arteritis (GCA) patients and 26 polymyalgia rheumatica (PMR) patients at different time points of follow-up, and 58 healthy control (HC) subjects. Bars show the median. T = 0 = before start of treatment with prednisolone; ≤2 months, within 2 months after start of treatment; 6 months, at approximately 6 months of follow-up; 1 year, at approximately 1 year of follow-up; ≥2 year, at approximately 2 years of follow-up, or more.