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Table 1 Ontario lung cancer patient demographics and clinical characteristics among those with and without a prior diagnosis of COPD

From: A population-based analysis of spirometry use and the prevalence of chronic obstructive pulmonary disease in lung cancer

Characteristic Statistic N All Patients Prior COPD No Prior COPD
N    105,304 36,738 68,566
Sex N (%) Female 105,304 49,453 (47.0) 17,127 (46.6) 32,326 (47.2)
Age Group ≤39 105,304 882 (0.8) 235 (0.6) 647 (0.9)*
40–44   1594 (1.5) 673 (1.8) 921 (1.3)
45–49   3746 (3.6) 1563 (4.3) 2183 (3.2)
50–54   6973 (6.6) 2793 (7.6) 4180 (6.1)
55–59   11,099 (10.5) 4574 (12.5) 6525 (9.5)
60–64   14,907 (14.2) 5999 (16.3) 8908 (13.0)
65–69   17,347 (16.5) 6985 (19.0) 10,362 (15.1)
70–74   17,213 (16.4) 6152 (16.8) 11,061 (16.1)
75–79   14,959 (14.2) 4419 (12.0) 10,540 (15.4)
80–84   10,111 (9.6) 2301 (6.3) 7810 (11.4)
85+   6473 (6.2) 1044 (2.8) 5429 (7.9)
Income Quintile N (%) Lowest 104,843 24,522 (23.4) 9131 (25.0) 15,391 (22.6)*
2   23,327 (22.3) 8493 (23.2) 14,834 (21.7)
3   20,506 (19.6) 7199 (19.7) 13,307 (19.5)
4   19,211 (18.3) 6258 (17.1) 12,953 (19.0)
Highest   17,277 (16.5) 5520 (15.1) 11,757 (17.2)
Rural N (%) Yes 105,189 17,188 (16.3) 6710 (18.2) 10,593 (15.3)*
Charlson Score N (%) ≥1 105,304 13,503 (12.8) 3415 (9.3) 10,088 (14.7)*
Resource Utilization Band 0 105,304 2186 (2.1) 952 (2.6) 1234 (1.8)*
1   1717 (1.6) 940 (2.6) 777 (1.1)
2   5150 (4.9) 2674 (7.3) 2476 (3.6)
3   45,558 (43.3) 18,727 (51.0) 26,831 (39.1)
4   28,314 (26.9) 8269 (22.5) 20,045 (29.2)
5   22,379 (21.3) 5176 (14.1) 17,203 (25.1)
Lung cancer stage N (%) 1 43,375 8639 (19.9) 3607 (21.2) 5032 (19.1)*
2   3422 (7.9) 1464 (8.6) 1958 (7.4)
3   8807 (20.3) 3717 (21.9) 5090 (19.3)
4   22,507 (51.9) 8205 (48.3) 14,302 (54.2)
  1. *means statistically significant (p < 0.001)