Table 3. Incidence rate ratios (IRRs) with 95% confidence intervals (CIs) for events by risk period.

	IRR and (95% CI)
	Syncope	Hypo- natremia	Hypotension	Gastrointestinal symptoms	Hypoglycemia	Negative outcome (erysipelas)
Number of cases	3,568	634	295	6,332	38	1,850
Reference period	1	1	1	1	1	1
Risk period 0	0.8 (0.7–0.9)	0.7 (0.6–1.0)	1.5 (0.9–2.5)	1.0 (0.9–1.1)	0.6 (0.2–2.1)	1.0 (0.8–1.2)
Risk period 1	1.1 (0.9–1.2)	1.5 (1.1–2.0)	2.5 (1.4–4.3)	1.7 (1.6–1.9)	2.2 (0.7–7.3)	1.1 (0.9–1.4)
Risk period 2	1.0 (0.9–1.2)	1.1 (0.7–1.5)	2.3 (1.3–4.3)	2.0 (1.8–2.2)	2.4 (0.6–9.5)	1.0 (0.8–1.3)
Risk period 3	1.0 (0.8–1.2)	0.9 (0.6–1.4)	2.0 (1.0–3.9)	1.5 (1.3–1.7)	NA	1.1 (0.9–1.5)
Risk period 4	0.9 (0.7–1.0)	0.7 (0.4–1.1)	1.7 (0.8–3.6)	1.5 (1.3–1.7)	0.9 (0.1–8.9)	1.1 (0.8–1.4)