Table 1. Frequency, crude, and age-standardized rates of thyroid cancer in Oman by gender and time period, 1996–2015.

Gender	Frequency, n	Percentage, %	Average CR	Average ASR
1996–2005
Male	94	21.7	1.1	2.0
Female	339	78.3	3.9	6.1
Total	433	100	2.3	3.8
2006–2015
Male	151	17.7	1.4	2.0
Female	701	82.3	6.8	8.7
Total	852	100	4.3	5.3
1996–2015
Male	245	19.1	1.3	2.0
Female	1040	80.9	5.5	7.6
Total	1285	100	3.4	5.5

CR: crude incidence rates per 100 000 population; ASR: age-standardized incidence rates per 100 000 population.