Table I.
Number (%) of patients according to gender, location of pain, and region of origin.
| Norwaya (n = 249) | Europe, America, Southeast Asiab (n = 83) | Middle East, Africa, and South Asiac (n = 240) | |
| Gender | |||
| Male | 61 (24) | 27 (32) | 78 (32) |
| Female | 188 (76) | 56 (68) | 162 (68) |
| Headache | 19 (8) | 9 (11) | 35 (15) |
| Local pain | 110 (44) | 40 (48) | 120 (50) |
| Fatigue, general pain | 120 (48) | 34 (41) | 85 (35) |
Notes: aNorwegians for more than two generations. bEurope, North and South America, Southeast Asia with Vietnam, the Philippines, Thailand, and China. cThe Middle East with Turkey, South Asia with Pakistan, Sri Lanka and India, and Africa.