Table 2 Results from the final step of the multivariable linear regression model on the Patient Rated Wrist/Hand Evaluation (PRWHE) before surgery, one year after surgery, and the change score. Unadjusted beta’s (B) with 95% confidence intervals (CI) and adjusted beta’s (β) are reported

Sex = Females

4.92 [ 1.79; 8.05]^c

0,12

-1.46 [ -8.42; 5.49]

-0,02

4.87 [ -12.2; 2.47]

-0.08

Age (yrs.)

0.18 [ 0.07; 0.28]^b

0,15

0.02 [ -0.21; 0.25]

0,01

-0.06 [ -0.3; 0.18]

-0.04

Dominant side affected = No

1.89 [ -0.78; 4.56]

0,05

3.78 [ -1.72; 9.29]

0,08

2.64 [ -3.24; 8.52]

0.06

Type of work = Light (ref = none)

2.33 [ -1.51; 6.17]

0,06

-4.23 [ -12.18; 3.71]

-0,08

-5.57 [ -14.06; 2.92]

-0.11

Type of work = Medium (ref = none)

3.68 [ -0.18; 7.54]

0,1

0.83 [ -7.11; 8.76]

0,02

-0.39 [ -8.87; 8.08]

-0.01

Type of work = Heavy (ref = none)

2.24 [ -2.32; 6.8]

0,05

-5.29 [ -14.76; 4.18]

-0,08

-5.83 [ -15.96; 4.31]

-0.09

Second opinion = No

-2.72 [ -6.93; 1.49]

-0,05

-2.36 [ -11.45; 6.73]

-0,03

0 [ -9.69; 9.69]

0.00

Duration of symptoms (mos.)

0 [ -0.05; 0.05]

0

0.06 [ -0.1; 0.22]

0,05

0.04 [ -0.13; 0.22]

0.03

Treatment = TFCC reinsertion (ref = USO)

-1.05 [ -4.49; 2.38]

-0,03

0.66 [ -6.44; 7.76]

0,01

1.67 [ -5.92; 9.25]

0.04

Treatment = Pisiformectomy (ref = USO)

-0.85 [ -4.56; 2.86]

-0,02

-3.22 [ -10.74; 4.3]

-0,06

-2.08 [ -10.11; 5.96]

-0.04

PCS score

0.19 [ 0.02; 0.36]^a

0,11

0.44 [ 0.08; 0.81]^a

0,19

0.33 [ -0.06; 0.72]

0.14

PHQ score

0.3 [ -0.31; 0.9]

0,04

-0.02 [ -1.29; 1.26]

0

-0.32 [ -1.68; 1.04]

-0.04

B-IPQ Consequences

3.26 [ 2.36; 4.15]^c

0,36

0.31 [ -1.73; 2.35]

0,02

-2.15 [ -4.15; -0.15]^a

-0.17

B-IPQ Timeline

0.09 [ -0.55; 0.73]

0,01

-0.33 [ -1.77; 1.1]

-0,03

-0.22 [ -1.75; 1.32]

-0.02

B-IPQ Personal Control

-0.23 [ -0.83; 0.37]

-0,03

0.27 [ -1; 1.55]

0,02

0.5 [ -0.86; 1.86]

0.05

B-IPQ Identity

1.88 [ 1.09; 2.67]^c

0,23

0.53 [ -1.23; 2.3]

0,04

-0.61 [ -2.45; 1.23]

-0.05

B-IPQ Concern

-0.62 [ -1.32; 0.08]

-0,09

-1.19 [ -2.66; 0.29]

-0,12

-0.92 [ -2.5; 0.66]

-0.10

B-IPQ Understanding

0.04 [ -0.67; 0.74]

0

0.19 [ -1.23; 1.61]

0,02

0.18 [ -1.34; 1.69]

0.02

B-IPQ Emotional Respons

0.58 [ -0.09; 1.25]

0,09

1.08 [ -0.33; 2.49]

0,13

0.84 [ -0.67; 2.35]

0.10

CEQ Expectancy

NA

NA

-1.63 [ -2.43; -0.83]^c

-0.25

-1.62 [ -2.47; -0.77]^c

-0.25

Preop PRWHE total score

NA

NA

0.36 [ 0.15; 0.57]^b

0.25

NA

NA

R²

0.42

0.26

0.14

Adjusted R²

0.39

0.20

0.07