@article{fdi:010080005, title = {{P}revalence and risk factors for lung involvement on low-dose chest {CT} ({LDCT}) in a paucisymptomatic population of 247 patients affected by covid-19 [+ {C}orrigendum , 2021, vol. 12, 21]}, author = {{C}astelli, {M}. and {M}aurin, {A}. and {B}artoli, {A}. and {D}assa, {M}. and {M}archi, {B}. and {F}inance, {J}. and {L}agier, {J}. {C}. and {M}illion, {M}. and {P}arola, {P}. and {B}rouqui, {P}. and {R}aoult, {D}. and {C}ortaredona, {S}{\'e}bastien and {J}acquier, {A}. and {G}aubert, {J}. {Y}. and {H}abert, {P}.}, editor = {}, language = {{ENG}}, abstract = {{B}ackground {L}ow-dose chest {CT} ({LDCT}) showed high sensitivity and ability to quantify lung involvement of {COVID}-19 pneumopathy. {T}he aim of this study was to describe the prevalence and risk factors for lung involvement in 247 patients with a visual score and assess the prevalence of incidental findings. {M}ethods {F}or 12 days in {M}arch 2020, 250 patients with {RT}-{PCR} positive tests and who underwent {LDCT} were prospectively included. {C}linical and imaging findings were recorded. {T}he extent of lung involvement was quantified using a score ranging from 0 to 40. {A} logistic regression model was used to explore factors associated with a score >= 10. {R}esults {A} total of 247 patients were analyzed; 138 (54%) showed lung involvement. {T}he mean score was 4.5 +/- 6.5, and the mean score for patients with lung involvement was 8.1 +/- 6.8 [1-31]. {T}he mean age was 43 +/- 15 years, with 121 males (48%) and 17 asymptomatic patients (7%). {M}ultivariate analysis showed that age > 54 years (odds ratio 4.4[2.0-9.6] p < 0.001) and diabetes (4.7[1.0-22.1] p = 0.049) were risk factors for a score >= 10. {M}ultivariate analysis including symptoms showed that only age > 54 years (4.1[1.7-10.0] p = 0.002) was a risk factor for a score >= 10. {R}hinitis (0.3[0.1-0.7] p = 0.005) and anosmia (0.3[0.1-0.9] p = 0.043) were protective against lung involvement. {I}ncidental imaging findings were found in 19% of patients, with a need for follow-up in 0.6%. {C}onclusion {T}he prevalence of lung involvement was 54% in a predominantly paucisymptomatic population. {A}ge >= 55 years and diabetes were risk factors for significant parenchymal lung involvement. {R}hinitis and anosmia were protective against {LDCT} abnormalities.}, keywords = {{COVID}-19 ; {T}omography ; {X}-ray computed ; {Q}uantitative evaluation ; {P}neumonia ; {FRANCE}}, booktitle = {}, journal = {{I}nsights into {I}maging}, volume = {11}, numero = {1}, pages = {117 [10 + {C}orrigendum , 2021, vol. 12, 21]}, ISSN = {1869-4101}, year = {2020}, URL = {https://www.documentation.ird.fr/hor/fdi:010080005}, }