Table 1.
Demographics of Survey Participants
| Characteristics | NHANES Survey Years: No (%) |
PXE International Surveya: No (%) | |||||
|---|---|---|---|---|---|---|---|
| 2007 – 2008 | 2009 – 2010 | 2011 – 2012 | 2013 – 2014 | 2015 – 2016 | 2007 – 2016 | ||
|
| |||||||
| Age range (years) | |||||||
| < 20 | - | - | - | - | - | - | 11 |
| 20 – 30 | 962 (17) | 1,093 (19) | 1,097 (19) | 1,055 (18) | 1,072 (18) | 5,279 (18) | 35 (6)* |
| 31 – 40 | 1,018 (17) | 1,000 (17) | 964 (17) | 968 (17) | 974 (17) | 4,924 (17) | 84 (15) |
| 41 – 50 | 940 (16) | 1,037 (18) | 902 (16) | 1,015 (17) | 931 (16) | 4,825 (17) | 144 (26)* |
| 51 – 60 | 926 (16) | 924 (16) | 921 (16) | 931 (16) | 957 (16) | 4,659 (16) | 152 (28)* |
| 61 – 70 | 915 (16) | 868 (15) | 870 (15) | 885 (15) | 903 (16) | 4,441 (16) | 96 (17) |
| 71 – 80 | 1,058 (18) | 972 (17) | 794 (14) | 809 (14) | 868 (15) | 4,501 (16) | 41 (7)* |
| Sex | |||||||
| Female | 2,962 (51) | 3,044 (52) | 2,814 (51) | 2,962 (52) | 2,966 (52) | 14,748 (52) | 433 (78)* |
| Male | 2,857 (49) | 2,850 (48) | 2,734 (49) | 2,701 (48) | 2,739 (48) | 13,881 (48) | 119 (22)* |
| All Participants >20b | 5,819 | 5,894 | 5,548 | 5,663 | 5,705 | 28,629 | 552 |
a
A total of 563 PXE patients responded to our survey. The number and percentage of participants were calculated from 552 patients who aged 20 and older at the time of survey.
b
The number of participants at the age of 20 years and older in each survey.
*
P < 0.01, compared to the sex and age group-matched NHANES survey (Chi-squared test).