Skip to main content

Table 4 Average Scores of the Improvement Factors for Various Cohorts.

From: Functional improvement after Total Knee Arthroplasty Revision: New observations on the dimensional nature of outcome

 

"Factor Analysis" cohort

"Total" cohorts

Factor

N

Mean ± SD

Normalized Mean#

N

Mean ± SD

Normalized Mean#

V1

69

0.82 ± 0.77*

1.07*

165

0.72 ± 0.79*

0.91*

V2

69

0.93 ± 0.75*

1.24*

120

0.88 ± 0.76*

1.16*

V3

69

0.21 ± 1.00

0.21

172

0.13 ± 1.00

0.13

V4

69

1.60 ± 1.00*

1.60*

105

1.64 ± 1.00*

1.64*

  1. "Factor Analysis" cohort contains cases (69) when all four factors can be computed; Four "Total" cohorts contain cases (105–172) when at least one factor can be computed.
  2. # Normalized by standard deviation
  3. * Significantly different from 0 at the 0.01 level (2-tailed)
Back to article page

Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X