The abstract describes increased cardiovascular risks in COVID-19 survivors but contains NO specific quantitative statistics - no hazard ratios, no confidence intervals, and no percentage increases like '+63%' or 'HR 1.63 (95% CI: 1.59-1.68)'. The abstract uses only qualitative language ('increased risk', 'substantial', 'graded fashion'). The specific statistic HR 1.63 (95% CI: 1.59-1.68) with +63% is not present. However, this appears to be a real study (Nature Medicine 2022, Al-Aly et al.) where such statistics likely appear in the full paper. The claim structure (HR 1.63 with tight CI) suggests it may come from a specific cardiovascular outcome in the full results, but this cannot be verified from the abstract alone. The abstract does support the general finding of increased cardiovascular risk, making 'fabricated' too strong, but the specific numbers are absent.

The claim states '40-60%' vaccine protection with confidence interval for Long COVID risk reduction. However, the abstract contains NO specific numerical percentages whatsoever. The abstract only provides qualitative language: 'vaccination was associated with reduced risks or odds of long-COVID' and 'preliminary evidence suggesting that two doses are more effective than one dose.' There are no numbers, no percentages, no confidence intervals, and no '40-60%' range mentioned anywhere. The claim appears to be completely fabricated - not a misreading, not a rounding issue, but a statistic that does not exist in the source. The abstract explicitly notes 'Low level of evidence (grade III)' and emphasizes these are preliminary findings with controversial results for existing long-COVID patients, which makes any precise percentage claim especially inappropriate.