Demographic characteristics of the individual studies for RA related pulmonary disease included in the metaanalysis.
| First Author | Year | Country/Primary Race | RA-PD | Cases/Controls, n | Male/Female, n& | Age, Yrs, Mean ± SD or (range)& | RA Duration, Yrs, Mean ± SD or (range)& | NOS Score | ACPA | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RA-PD | RA | |||||||||||
| P | N | P | N | |||||||||
| Giles | 2013 | USA/W | ILD | 57/120 | 28/29–43/77 | 61 ± 9/58 ± 8 | 9 (5–19)/8 (4–16) | 7 | 51 | 6 | 82 | 38 |
| Mori-ILD* | 2012 | Japan/A | ILD | 24/302 | 12/12–70/232# | 73 (64–76)/59 (52–68)# | 1.5 (0–6.3)/0 (0–6) | 7 | 24 | 0 | 267 | 35 |
| Mori-AD* | 2012 | Japan/A | AD | 30/302 | 3/27–70/232 | 65 (56–71)/59 (52–68) | 7.5 (4–12)/0 (0–6)# | 7 | 27 | 3 | 267 | 35 |
| Jearn | 2012 | Korea/A | IPF, BC, and RN | 31/345 | NA | NA | NA | 6 | 30 | 1 | 333 | 12 |
| Aubart | 2011 | France/W | ILD, BC, and RN | 59/193 | 26/33–47/146# | NA | 9 (4–16)/8 (3–18.5) | 6 | 57 | 2 | 166 | 27 |
| Skare | 2011 | Brazil/W | RPPL | 27/44 | 23/4–40/4 | 49 ± 9.6/45 ± 11.6 | 13.9 ± 6.7/10.6 ± 6.9# | 6 | 10 | 3 | 17 | 2 |
| Inui | 2008 | Japan/A | PD | 18/36 | 10/8–11/25 | 58 (33–78)/57 (25–77) | NA | 6 | 16 | 2 | 32 | 4 |
| Alexiou | 2008 | Greece/W | IPF | 11/125 | NA | NA | NA | 6 | 10 | 1 | 73 | 52 |