Table 1.

Percentages of Microscopic and Nonmicroscopic Basis of Diagnosis in the Gharbiah Population-Based Cancer Registry During 1999–2007

	Hepatocellular Carcinoma†
	1999	2000	2001	2002	2003	2004	2005	2006	2007
Hepatocellular carcinoma, nonmicroscopic (%)	38	39	42	46	53	57	71	67	74	P = .001**
Hepatocellular carcinoma, microscopic (%)	42	38	41	40	28	29	24	19	20
Hepatocellular carcinoma, other* (%)	20	22	18	14	19	14	5	15	5
	Pancreatic Cancer†
	1999	2000	2001	2002	2003	2004	2005	2006	2007
Pancreatic cancer, nonmicroscopic (%)	61	56	56	57	56	56	56	48	54	P = .05**
Pancreatic cancer, microscopic (%)	21	29	41	40	38	34	42	47	41
Pancreatic cancer, other* (%)	18	15	3	4	6	10	2	5	5
	Brain Cancer†
	1999	2000	2001	2002	2003	2004	2005	2006	2007
Brain cancer, nonmicroscopic (%)	14	9	13	8	9.9	8	5	6	7	P = .80
Brain cancer, microscopic (%)	59	69	63	68	63	61	68	66	67
Brain cancer, other* (%)	27	22	25	24	28	31	27	28	27
	Lung Cancer†
	1999	2000	2001	2002	2003	2004	2005	2006	2007
Lung cancer, nonmicroscopic (%)	10	11	8	8	6	6	9	6	5	P = .01**
Lung cancer, microscopic (%)	76	79	85	87	90	86	85	87	86
Lung cancer, other* (%)	14	10	7	5	4	8	6	8	8

^*Other includes those with diagnosis of death certificate or unknown.

^**Statistically significant.

^†χ² test for trend was conducted on microscopic diagnosis versus all others.