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editorial
. 2014 Oct 29;2(1):48–49. doi: 10.1016/j.jcte.2014.10.004

Table 1.

Summary of vitamin D status in Thai people

Study Chailurkit et al. [12] Chailurkit et al. [13] Kruavit et al. [14] Soontrapa et al. [15] Nimitphong et al. [16] Charatcharoen-witthaya et al. [17] Rojroongwasonkul et al. [18]
Year 2011 2011 2012 2009 2013 2012 2013
Number of subjects 2641 446 93 356 1990 120 3119
Mean age ± SD (year) 40.3 ± 0.3a
(range 15–98)		 67.5 ± 6.0
(range 60–97)		 75.2 ± 6.0
(range 61–97)		 35.2 ± 0.5a
(range 20–50)		 40.1 ± 0.2a
(range 25–54)		 29.3 ± 5.7
(range 18–40)		 N/A
(range 3–12.9)
Sex M 50%
F 50%		 F 100% F 100% F 100% M 72.8%
F 27.2%		 F 100% N/A
Mean 25(OH)D ± SD, ng/mL (nmol/L) 31.8 ± 0.3a
(79.3 ± 0.8a)		 27.1 ± 6.3
(67.6 ± 15.7)		 25.8 ± 6.0
(64.3 ± 14.9)		 29.1 ± 0.4
(72.6 ± 1.1)		 M 26.0 ± 0.2a
(M 65.0 ± 0.5a)
F 21.4 ± 0.2a
(F 53.5 ± 
0.5a)		 Trimester of pregnancy
1st 25.7 ± 6.7 (1st 61.4 ± 16.6)
2nd 33.8 ± 8.2 (2nd 84.4 ± 20.4)
3rd 36.1 ± 8.9 (3rd 90.0 ± 22.3)		 N/A
Percent of subjects with 25(OH)D < 30 ng/mL (<75 nmol/L) 45.2% 54.0% 77.4% 77.8% N/A Trimester of pregnancy
1st 83.3%
2nd 30.9%
3rd 27.4%		 Age 3–5.9 yearsb
  • -

    Urban 31.3%

  • -

    Rural 24.5%

Age 6–12.9 yearsb
  • -

    Urban 52.2%

  • -

    Rural 29.2%

Totalb
  • -

    Urban 45.6%

  • -

    Rural 27.7%
Percent of subjects with 25(OH)D < 20 ng/mL (<50 nmol/L) 5.7% 31.8% 21.5% N/A M 13.9%
F 43.1%		 Trimester of pregnancy
1st 26.7%
2nd 1.8%
3rd 2.3%

M, male; F, female; N/A, not available.

a

Data was expressed as mean ± SEM.

b

Data was expressed as percent of subjects with 25(OH)D < 20 ng/mL (<50 nmol/L).