Table 3 Comparisons of clinical and radiological characteristics in patients included from September 2019 to November 2019 against those included from December 2019 to February 2020
Characteristics | From September 2019 to November 2019 | From December 2019 to February 2020 | p-value |
|---|---|---|---|
Age | 0.0098* | ||
Mean ± SD (range) | 57.4 ± 22.7 (0–99) | 57.9 ± 22.7 (0–100) | |
Sex | 0.9287 | ||
Women | 10,162/21,154 (48) | 11,549/24,018 (48.1) | |
Men | 10,992/21,154 (52) | 12,469/24,018 (51.9) | |
French regions initially affected by the outbreak | 0.1607 | ||
No | 7594/21,154 (35.9) | 8469/24,018 (35.3) | |
Yes | 13,560/21,154 (64.1) | 15,549/24,018 (64.7) | |
GGO | 0.3987 | ||
Absent | 20,488/21,154 (96.9) | 23,227/24,018 (96.7) | |
Present | 666/21,154 (3.1) | 791/24,018 (3.3) | |
Reticulations | 0.0307* | ||
Absent | 21,032/21,154 (99.4) | 23,915/24,018 (99.6) | |
Present | 122/21,154 (0.6) | 103/24,018 (0.4) | |
Subpleural abnormal finding | 0.8290 | ||
Absent | 20,994/21,154 (99.2) | 23,831/24,018 (99.2) | |
Present | 160/21,154 (0.8) | 187/24,018 (0.8) | |
Bilateral abnormal finding | 0.6602 | ||
Absent | 20,593/21,154 (97.3) | 23,398/24,018 (97.4) | |
Present | 561/21,154 (2.7) | 620/24,018 (2.6) | |
No. of positive text features | 0.6393 | ||
0 out of 4 | 19,898/21,154 (94.1) | 22,583/24,018 (94) | |
1 out of 4 | 1027/21,154 (4.9) | 1199/24,018 (5) | |
2 out of 4 | 206/21,154 (1) | 209/24,018 (0.9) | |
3 out of 4 | 22/21,154 (0.1) | 24/24,018 (0.1) | |
4 out of 4 | 1/21154 (0) | 3/24,018 (0) |