Table 3

Multiorgan impairment (non-cardiac) in individuals at baseline and follow-up

6 months12 months
Overall cohort n=534CMR abnormalities n=102No CMR abnormalities n=424P valueCMR abnormalities and hospitalised, n=19CMR abnormalities not hospitalised, n=83P valueOngoing CMR abnormalities n=41Resolved CMR abnormalities n=30P value
Liver
 cT1 (high)58 (11%)13 (13%)43 (10%)0.483 (16%)10 (12%)0.716 (15%)1 (3.4%)0.23
 PDFF (high)119 (24%)25 (26%)92 (24%)0.626 (33%)19 (25%)0.559 (23%)5 (17%)0.56
 Volume (high)35 (6.6%)6 (5.9%)29 (6.9%)0.722 (11%)4 (4.8%)0.313 (7.3%)3 (10%)0.69
Kidneys
 Cortex T1 both kidneys (high)28 (5.3%)8 (7.8%)20 (4.8%)0.213 (16%)5 (6.0%)0.172 (4.9%)0 (0%)0.51
 Volume, both kidneys (high)18 (3.4%)6 (5.9%)12 (2.9%)0.143 (16%)3 (3.6%)0.082 (4.9%)2 (6.9%)1
 Left cortex T1 (high)61 (12%)12 (12%)48 (11%)0.925 (26%)7 (8.4%)0.044 (9.8%)3 (10%)1
 Right cortex T1 (high)46 (8.7%)8 (7.8%)38 (9.1%)0.703 (16%)5 (6.0%)0.175 (12%)1 (3.4%)0.40
 Left volume (high)28 (5.3%)7 (6.9%)21 (5.0%)0.453 (16%)4 (4.8%)0.122 (4.9%)2 (6.9%)1
 Right volume (high)38 (7.2%)8 (7.8%)30 (7.1%)0.814 (21%)4 (4.8%)0.044 (9.8%)2 (6.9%)1
Pancreas
 T1 (high)46 (9.1%)8 (8.4%)37 (9.2%)0.812 (11%)6 (7.8%)0.642 (5.9%)4 (17%)0.22
 PDFF (high)77 (15%)14 (14%)62 (15%)0.864 (22%)10 (12%)0.284 (11%)6 (23%)0.30
Spleen
 Volume (high)42 (7.9%)6 (5.9%)36 (8.6%)0.371 (5.3%)5 (6.0%)14 (9.8%)1 (3.4%)0.39
 Length (high)43 (8.1%)8 (7.8%)35 (8.3%)0.881 (5.3%)7 (8.4%)13 (7.3%)0 (0%)0.26
Lungs
 Total deep fractional area change (low)12 (2.4%)10 (2.5%)2 (2.2%)10 (0%)2 (2.7%)10 (0%)0 (0%)1
  • Prevalence of abnormal CMR findings for multiorgan scans at 6 and 12 months in individuals with Long Covid.

  • p ≤0.05 are in bold.

  • CMR, cardiac MR; PDFF, proton-density fat fraction; PDFF, proton-density fat fraction.