Table 3.

Difference in risk of key symptoms 4 months after acute infection Delta and Omicron variants of SARS-CoV-2.

	Delta N = 742	Omicron N = 632	Difference in risk of symptoms
Symptom	% (n)	% (n)	% (CI) p
Any symptoms	58% (431)	54% (341)	−4% (−9, 1) p = 0.124
Fatigue	38% (279)	37% (231)	−1% (−6, 4) p = 0.688
Dyspnea	27% (200)	22% (141)	−5% (−9, 0) p = 0.046
Cognitive symptoms	31% (232)	33% (208)	+2% (−3, 7) p = 0.515
Depression	18% (131)	16% (102)	−2% (−5, 2) p = 0.454
Smell/taste problems	19% (139)	5% (32)	−14% (−17, −10) p < 0.001

CI, 95% confidence interval. Bold font is used to mark statistically significant difference in risk of symptoms.