Skip to main content

Table 8 21-item OACS day one item factor loadings

From: Development of a patient-reported outcome measure (PROM) and change measure for use in early recovery following hip or knee replacement

Rotated Component Matrixa
  Component
1 2
OACS item 4: Your ability to walk compared to before the operation? .888 .318
OACS item 3: Your mobility compared to before the operation? .872 .354
OACS item 2: Your ability to move compared to before the operation? .871 .320
OACS item 5: Your ability to walk up stairs compared to before the operation? .865 .288
OACS item 6: Your ability to walk down stairs compared to before the operation? .859 .284
OACS item 1: Your ability to stand compared to before the operation? .841 .337
OACS item 9: Your pain in the affected area when walking as compared to before the operation? .735 .387
OACS item 14: Your ability to cope at home compared to before the operation? .684 .436
OACS item 10: Your pain in the affected area compared to before the operation? .671 .518
OACS item 12: Your pain when getting into bed compared to before the operation? .668 .482
OACS item 7: Your strength compared to before the operation? .645 .368
OACS item 8: How comfortable you feel when sitting compared to before the operation? .588 .514
OACS item 20: Your pain when trying to sleep compared to before the operation? .437 .766
OACS item 18: Your sleep compared to before the operation? .314 .755
OACS item 21: Your ability to sleep through the night compared to before the operation? .325 .751
OACS item 19: How you feel overall compared to before the operation? .476 .746
OACS item 16: Your mood compared to before the operation? .292 .728
OACS item 13: Your muscle spasms in the affected area compared to before the operation? .147 .701
OACS item 11: Your pain in the affected area at night compared to before the operation? .452 .678
OACS item 15: Your appetite compared to before the operation? .265 .629
OACS item 17: Your energy level compared to before the operation? .535 .586
Extraction Method: Principal Component Analysis.
Rotation Method: Varimax with Kaiser Normalization.a
  1. aRotation converged in 6 iterations