Table 2. Incidence rates and risk of MGs according to age, sex, region, and income status (2007–2017).

Parameters		No. of patients with MG	No. of deaths	Duration (person-year)	Mortality rate (per 1,000)	HRa (95% CI)	P-value
Total		45,066	25,294	1,334,432.5	188.15
Age, yr
	0–19	4,006	962	21,722.6	44.28	0.72 (0.67–0.78)b	< 0.001
	20–39	5,783	1,821	28,554.34	63.77	Reference
	40–64	19,066	10,465	58,300.46	179.50	2.38 (2.26–2.50)b	< 0.001
	≥ 65	16,211	12,046	25,855.08	465.90	4.85 (4.62–5.10)b	< 0.001
Sex
	Male	23,725	14,295	65,977.22	216.66	Reference
	Female	21,341	10,999	68,455.26	160.37	0.69 (0.67–0.71)c	< 0.001
Region
	Metropolitan	25,943	14,282	80,323.18	177.80	Reference
	City	13,389	7,520	38,970.79	192.96	1.02 (0.99–1.05)	0.101
	Rural	5,734	3,492	15,138.52	230.67	0.99 (0.96–1.03)	0.814
Income
	Low	12,567	7,294	36,412.84	200.31	1.08 (1.05–1.12)	< 0.001
	Middle	19,976	11,037	61,534.87	179.36	Reference
	High	12,523	6,963	36,484.78	190.84	0.91 (0.88–0.93)	< 0.001

MG = malignant glioma, HR = hazard ratio, CI = confidence interval, TMZ = temozolomide.

^aSex- and age-adjusted ratio; ^bSex-adjusted ratio; ^cAge-adjusted ratio.