Table 1: Demographic data of 58 pediatric patients with ulcerative colitis.

Demographic data n (%)
Gender, female 33 (56.9)
Nationality Bahraini 50 (86.2)
Non-Bahraini 8 (13.8)
Total population* (2014) n = 1,240,000
Governorate* Northern, n = 326,000 (26.3%) 28 (48.3)
Capital, n = 532,000 (42.9%) 13 (22.4)
Southern, n = 166,000 (13.4%) 10 (17.2)
Muharraq, n = 216,000 (17.4%) 7 (12.1)
Birth weight (kilogram), mean (SD) 3.1 (0.5)
Admission weight, kilogram, mean (SD) 32.3 (16.4)
Admission height, cm, mean (SD) 126.3 (14.7)
Age at presentation (years), mean (SD) 11 (4.3)
Age category (years) 0-4.9 6 (10.3)
5-9.9 14 (24.1)
10-14.9 24 (41.4)
15-18 14 (24.1)
Age at diagnosis (years), median (range) 10.5 (2.5-17)
Disease duration (years), mean (SD) 0.86 (1.1)
FH of IBD§ 5.0 (18.5)
Contact with a smoker person 7.0 (28)
Associated diseases 24 (41.4)

*Adopted from: https://en.wikipedia.org/wiki/Governorates_of_Bahrain [cited 11 Jan 2017], standard deviation, family history, §inflammatory bowel diseases.