Table 1.
Sample size distribution from each population in the study.
| EUR | EAS | AFR | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Strata | CONTROL | CASE | Total | CONTROL | CASE | Total | CONTROL | CASE | Total |
| Ever-smokers | |||||||||
| Overall | 16,165 | 22,018 | 38,183 | 1,032 | 1,495 | 2,527 | 2,309 | 1,804 | 4,113 |
| ADE | 16,165 | 7,838 | 24,003 | 1,032 | 586 | 1,618 | 2,309 | 734 | 3,043 |
| SQC | 16,165 | 5,619 | 21,784 | 1,032 | 514 | 1,546 | 2,309 | 436 | 2,745 |
| SCLC | 16,165 | 1,919 | 18,084 | 1,032 | 88 | 1,120 | 2,309 | 111 | 2,420 |
| Never-smokers | |||||||||
| Overall | 6,396 | 2,207 | 8,603 | 4,335 | 5,561 | 9,896 | 1,405 | 170 | 1,575 |
| ADE | 6,396 | 1,268 | 7,664 | 4,335 | 4,019 | 8,354 | 1,405 | 105 | 1,510 |
| SQC | 6,396 | 189 | 6,585 | 4,335 | 771 | 5,106 | 1,405 | 12 | 1,417 |
| SCLC | 6,396 | 60 | 6,456 | 4,335 | 4 | 4,339 | 1,405 | 2 | 1,407 |
Note: Sample size of each strata is displayed in the table.
Abbreviations: ADE, lung adenocarcinoma; AFR, African population; EAS, East Asian population; EUR, European population; Overall, overall lung cancer; SCLC, small cell lung cancer; SQC, squamous lung cancer.