Table 5. Rib anomalies identified by individual cancer types.

		Normal ribs	Abnormal ribs	Crude OR (95% CI)	Adjusted OR (95% CI)
Total cancers	455	424 (93.2%)	31 (6.8%)	1.55 (0.98, 2.46)	1.60 (1.0, 2.65)
Leukaemias, myeloproliferative diseases, and myelodysplastic	221	206 (93.2%)	15 (6.8%)	1.54 (0.85, 2.80)	1.55 (0.84, 2.88)
Lymphoid leukaemias	105	99 (94.3%)	6 (5.7%)	1.40 (0.58, 3.36)	1.27 (0.51, 3.11)
Acute myeloid leukaemias	78	70 (89.7%)	8 (10.3%)	2.42 (1.11, 5.31)	2.29 (1.02, 5.13)
Chronic myeloproliferative diseases	20	20 (100%)	0 (0.0%)	—	—
Other specified or unspecified leukaemias	18	17 (94.4%)	1 (5.6%)	1.36 (0.18, 10.44)	1.16 (0.15, 8.98)
Lymphomas and reticuloendothelial neoplasms	50	49 (98.0%)	1 (2.0%)	0.47 (0.06, 3.49)	0.37 (0.05, 2.89)
Hodgkin lymphomas	29	29 (100%)	0 (0%)	—	—
Non-Hodgkin lymphomas (except Burkitt's lymphoma)	12	11 (91.7%)	1 (8.3%)	2.10 (0.27, 16.63)	1.67 (0.21,13.41)
Other specified or unspecified lymphomas	9	9 (100%)	0 (0%)	—	—
CNS and miscellaneous intracranial and intraspinal neoplasms	34	31 (91.2)	3 (8.8%)	2.24 (0.66, 7.59)	2.00 (0.59, 6.77)
Neuroblastoma and other peripheral nervous cell tumours	31	29 (93.6%)	2 (6.4%)	1.46 (0.34, 6.30)	1.48 (0.34, 6.40)
Renal tumours	20	17 (85.0%)	3 (15.0%)	3.74 (1.06, 13.19)	3.73 (1.05, 13.22)
Malignant bone tumours	39	37 (94.9%)	2 (5.1%)	1.15 (0.27, 4.89)	0.95 (0.21, 4.31)
Osteosarcomas	21	19 (90.4%)	2 (9.5%)	2.23 (0.51, 9.85)	1.81 (0.38, 8.53)
Ewing tumour and related sarcomas of bone	15	15 (100%)	0 (0%)	—	—
Other specified and unspecified malignant bone tumours	3	3 (100%)	0 (0%)	—	—
Soft tissue and other extraosseous sarcomas	30	29 (96.7%)	1 (3.3%)	0.73 (0.10, 5.41)	0.64 (0.08, 4.91)
Rhabdomyosarcomas	15	14 (93.3%)	1 (6.7%)	1.52 (0.20, 11.75)	1.35 (0.17, 10.62)
Other specified or unspecified soft tissue sarcomas	15	15 (100%)	0 (0%)	—	—
Controls	1133	1082 (95.5%)	51 (4.5%)	—	—

Abbreviations: OR=odds ratio; 95% CI=95% confidence interval; CNS=central nervous system.