Of antibody-positive subjects, two developed RA within 13 months.
在抗体呈阳性的人群中，有两人在13个月内患上风湿性关节炎。
2
Pain, stiffness or swelling were reported in at least one joint by 50% of antibody-positive and 53% of antibody-negative subjects at the time of imaging.
在肺显像时，50%抗体呈阳性者和53%抗体呈阴性者表示至少有一处关节有疼痛、僵硬和肿胀。
3
Airway abnormalities were found in three quarters of the antibody-positive subjects, one third of the antibody-negative subjects, and nearly all the early RA subjects.