Table 3.
Databasea demographics.
| Demographic parameter | Year 2005 | Year 2014 |
|---|---|---|
| Databasea enrollees aged <65 y | 25,035,852 | 47,258,528 |
| Female enrollees | 12,964,920 (51.8%) | 24,226,585 (51.3%) |
| Male enrollees | 12,070,932 (48.2%) | 23,031,943 (48.7%) |
| Average age of participantb | 33.7 years 18.4 | 33.3 years 18.4 |
| Participants aged 0-17 y | 6,612,440 (26.4%) | 11,445,630 (24.2%) |
| Participants aged 18-34 y | 6,041,039 (24.1%) | 12,725,182 (26.9%) |
| Participants aged 35-44 y | 4,309,362 (17.2%) | 7,419,240 (15.8%) |
| Participants aged 45-54 y | 4,538,622 (18.1%) | 8,173,572 (17.3%) |
| Participants aged 55-64 y | 3,534,389 (14.2%) | 7,494,904 (15.8%) |
| RA patients (meeting exclusion criteria)c | 91,106 (0.04%) | 186,961 (0.04%) |
| Female RA enrollees | 68,995 (74.9%) | 144,437 (76.4%) |
| Male RA enrollees | 23,089 (25.1%) | 44,496 (23.6%) |
| Average age of RA patientb | 50.2 years 10.8 | 50.5 years 10.8 |
| RA participants aged 0-17 y | 1212 (1.3%) | 1604 (0.9%) |
| RA participants aged 18-34 y | 7309 (7.9%) | 16,009 (8.4%) |
| RA participants aged 35-44 y | 14, 564 (15.8%) | 28,818 (15.3%) |
| RA participants aged 45-54 y | 30,162 (32.8%) | 58,518 (31.0%) |
| RA participants aged 55-64 y | 38,837 (42.2%) | 83,984 (44.4%) |
RA, rheumatoid arthritis.
a
Truven MarketScan Claims and Encounters Database patients <65 years of age.
b
Mean.
c
Exclusion criteria as listed in Table 1.