Table 1.

Statistics of the age distribution for all cases and for exposed/unexposed to wireless phones.

	Exposed Wireless Phone					Unexposed Wireless Phone					p *	All
	n	Mean	Median	Min	Max	n	Mean	Median	Min	Max		n	Mean	Median	Min	Max
Glioma	1198	52	54	19	80	480	61	63	21	80	<0.0001	1678	54	57	19	80
-Astrocytoma	951	53	56	19	80	402	62	64	23	80	<0.0001	1353	56	58	19	80
-grade I–II	189	41	39	19	74	39	48	52	23	71	0.02	228	42	40	19	74
-grade III **	143	48	50	20	80	53	60	63	27	77	<0.0001	196	51	54	20	80
-grade IV **	618	58	59	21	79	308	64	66	29	80	<0.0001	926	60	61	21	80
-Oligodendroglioma	135	48	48	20	73	36	54	57	22	75	0.02	171	49	50	20	75
-Other/mixed glioma	112	48	47	20	75	42	50	54	21	79	0.33	154	48	48	20	79

Notes: * Wilcoxon rank-sum test; ** Information regarding grade III or IV missing for 3 cases.