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Table 3
Diagnostic procedures, treatment procedures and comorbidities recorded in the NSW Lung Cancer Patterns of Care Study and the APDC (n=1580)
	Lung cancer survey		APDC		Sensitivity^a	Specificity^a
	n	%	n	%	%	%
Diagnostic investigations^b	1561	99	1045	66	66	47
Chest CT scan	1430	91	430	27	27	74
Chest x-ray	1405	89	0	0	0	100
Brain CT scan	461	29	283	18	34	90
Bone scan	495	31	182	12	26	95
Bronchoscopy	805	51	563	36	65	95
Biopsy	664	42	671	42	64	73
Resection of primary cancer	262	17	256	16	92	99
Pneumonectomy	45	3	39	2	78	100
Lobectomy	198	13	153	10	70	99
Other resection	25	2	74	5	76	96
Other treatment
Chemotherapy	478	30	230	15	36	96
Radiotherapy	626	40	222	14	30	96
Comorbidities
COPD	599	38	295	19	35	91
Diabetes	164	10	152	10	74	98
Heart disease	363	23	137	9	25	96
One or more of the above	836	53	472	30	45	87

APDC: Admitted Patient Data Collection.

COPD: Chronic obstructive pulmonary disease.

^a Sensitivity and specificity of the APDC compared with the lung cancer survey.

^b Includes chest CT, chest x-ray, brain CT, bone scan, bronchoscopy, and biopsy.

Goldsbury et al. BMC Health Services Research 2012 12:387 doi:10.1186/1472-6963-12-387

Table 3