Table 5 Smoking rates in sarcoma patients of ≥ 20 years of age according to histological grade and disease origin.
From: Family cancer history and smoking habit associated with sarcoma in a Japanese population study
Controls | Cases | |||||
---|---|---|---|---|---|---|
Sarcoma | High-grade sarcoma | Low-grade and intermediate sarcoma | Bone sarcoma | Soft tissue sarcoma | ||
N | 7738 | 1159 | 914 | 245 | 193 | 966 |
Smoking habit (%) | ||||||
(+) | 1497 (19%) | 414 (36%) | 320 (35%) | 94 (38%) | 63 (33%) | 351 (36%) |
(−) | 6241 (81%) | 745 (64%) | 594 (65%) | 151 (62%) | 130 (67%) | 615 (64%) |
Univariate | ||||||
OR | Ref | 2.31 | 2.25 | 2.59 | 2.02 | 2.38 |
95% CI | – | 2.02–2.65 | 1.93–2.61 | 1.97–3.40 | 1.46–2.77 | 2.06–2.75 |
P-value | – | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 |
Multivariate | ||||||
OR | Ref | 2.05 | 1.98 | 2.33 | 1.55 | 2.16 |
95% CI | – | 1.78–2.37 | 1.69–2.33 | 1.74–3.11 | 1.11–2.16 | 1.85–2.52 |
P-value | – | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 |
χ2-test | – | – | 0.33 | 0.37 |