Table 4: Stepwise regression analyses of medical and psychological variables and their relationship to SAS in SLE patients.

SASCoef.Std. Err. [95% CI]

VT−0.150.05−3.000.004−0.25, −0.05
PF−0.110.05−2.270.026−0.22, −0.01
RP−0.090.02−3.64<0.001−0.14, −0.04

SAS: revised Self-Rating Anxiety Scale; VT: energy/vitality; PF: physical functioning; RP: role limitations due to physical problems.