Table 3.
Balancing effect of the propensity scores between exposed and unexposed groups
| Standardized difference* between groups before IPTW | Standardized difference* between groups after IPTW | |
|---|---|---|
| Age | 0.44 | 0.04 |
| Female sex | 0.07 | 0.02 |
| Disease duration | 0.73 | 0.08 |
| mRSS | 0.20 | 0.06 |
| FVC %predicted | 0.15 | 0.05 |
| HAQ | 0.07 | 0.02 |
| PTGA disease severity | 0.13 | 0.05 |
| PGA disease severity | 0.80 | 0.02 |
IPTW inverse probability of treatment weighting, mRSS modified Rodnan skin score, FVC% percent of predicted forced vital capacity, HAQ Health Assessment Questionnaire, PTGA patient global assessment, PGA physician global assessment
*Standardized difference ≤ 0.1 represents meaningful balance