Table 3.

Time Trends of Incident Rate Ratios for VTE According to GCA Duration

Time after diagnosis	VTE IRR (95% CI)	PE IRR (95% CI)	DVT IRR (95% CI)
1 year	7.03 (3.78–12.73)	7.23 (2.90–17.20)	7.85 (3.53–16.94)
2 years	4.98 (2.87–8.38)	5.20 (2.39–10.68)	5.44 (2.58–10.91)
3 years	4.34 (2.66–6.90)	4.66 (2.32–8.88)	4.07 (2.10–7.48)
4 years	4.09 (2.56–6.34)	4.21 (2.17–7.72)	4.27 (2.35–7.43)
5 years	3.69 (2.37–5.60)	4.09 (2.22–7.19)	3.92 (2.25–6.56)
Total follow-up	3.57 (2.33–5.34)	3.98 (2.2–6.8)	3.82 (2.20–6.34)

DVT, Deep vein thrombosis; GCA, Giant cell arteritis; PE, Pulmonary embolism; VTE, Venous thromboembolism