1 1. Participant Summary

1.1 1.1 Sample Size and Completeness by TimePoint

TimePoint Completeness Summary
Outcome TimePoint N_nonmissing Percent_Complete
VAS 0 17 94.4
VAS 3 14 77.8
VAS 6 8 44.4
VAS Final 12 66.7
Grip 0 18 100.0
Grip 3 12 66.7
Grip 6 11 61.1
Grip Final 9 50.0
Key 0 18 100.0
Key 3 12 66.7
Key 6 11 61.1
Key Final 9 50.0
Tip 0 18 100.0
Tip 3 12 66.7
Tip 6 11 61.1
Tip Final 9 50.0
DASH 0 18 100.0
DASH 3 0 0.0
DASH 6 0 0.0
DASH Final 13 72.2
PRWHE 0 18 100.0
PRWHE 3 0 0.0
PRWHE 6 0 0.0
PRWHE Final 13 72.2

2 2. Descriptive Statistics

Descriptive Statistics for Key Variables
Statistic Age VAS Grip Key Tip DASH PRWHE
Means 58.89 2.51 61.58 13.34 12.14 34.96 47.00
SDs 9.92 3.16 22.21 4.38 4.21 22.89 26.36
Hand Dominance Distribution
Hand N
LHD 3
RHD 15
Surgical Laterality Distribution
Laterality N
Left 11
Right 7
Sex Distribution
Sex N
Female 10
Male 8

3 3. Estimated Marginal Means by Outcome and TimePoint

Results are in the format of estiamte (Standard Error)

Estimated Marginal Means (Mean ± SE) by TimePoint and Outcome
Outcome 0 3 6 Final
VAS 6.04 (0.47) 0.82 (0.51) 1.22 (0.64) 0.41 (0.54)
Grip 54.89 (5.17) 51.44 (5.46) 71.22 (5.54) 79.60 (5.72)
Key 11.61 (1.00) 11.88 (1.10) 16.02 (1.13) 16.46 (1.19)
Tip 11.78 (1.01) 10.11 (1.11) 14.02 (1.14) 13.75 (1.20)
DASH 47.73 (4.09) NA NA 17.89 (4.72)
PRWHE 63.36 (4.16) NA NA 24.01 (4.79)

4 4. Outcome Trajectories

5 5. Mixed-Effects Model Results

5.1 5.1 VAS

VAS Model Pairwise Contrasts with Effect Sizes
contrast estimate SE df t.ratio p.value CI_lower CI_upper Effect_Size
0 - 3 5.21 0.56 34.24 9.27 0.00 4.11 6.32 1.65
0 - 6 4.82 0.68 34.69 7.07 0.00 3.48 6.15 1.52
0 - Final 5.63 0.59 34.72 9.48 0.00 4.46 6.79 1.78
3 - 6 -0.40 0.69 32.85 -0.57 0.57 -1.75 0.96 -0.13
3 - Final 0.41 0.60 31.30 0.69 0.49 -0.76 1.58 0.13
6 - Final 0.81 0.72 34.00 1.12 0.27 -0.61 2.23 0.26

5.2 5.2 Grip Strength

Grip Strength Model Pairwise Contrasts with Effect Sizes
contrast estimate SE df t.ratio p.value CI_lower CI_upper Effect_Size
0 - 3 3.45 3.32 29.66 1.04 0.31 -3.07 9.96 0.16
0 - 6 -16.33 3.45 29.76 -4.73 0.00 -23.09 -9.57 -0.74
0 - Final -24.71 3.73 29.83 -6.63 0.00 -32.02 -17.40 -1.11
3 - 6 -19.78 3.80 29.73 -5.21 0.00 -27.22 -12.34 -0.89
3 - Final -28.16 4.10 29.89 -6.87 0.00 -36.19 -20.13 -1.27
6 - Final -8.38 3.97 29.39 -2.11 0.04 -16.16 -0.61 -0.38

5.3 5.3 Key Pinch

Key Pinch Model Pairwise Contrasts with Effect Sizes
contrast estimate SE df t.ratio p.value CI_lower CI_upper Effect_Size
0 - 3 -0.27 0.88 30.26 -0.31 0.76 -1.99 1.45 -0.06
0 - 6 -4.41 0.91 30.48 -4.84 0.00 -6.20 -2.63 -1.01
0 - Final -4.85 0.98 30.64 -4.92 0.00 -6.78 -2.92 -1.11
3 - 6 -4.14 1.00 30.50 -4.13 0.00 -6.11 -2.18 -0.95
3 - Final -4.58 1.08 30.83 -4.23 0.00 -6.70 -2.46 -1.05
6 - Final -0.44 1.05 29.83 -0.42 0.68 -2.49 1.62 -0.10

5.4 5.4 Tip Pinch

Tip Pinch Model Pairwise Contrasts with Effect Sizes
contrast estimate SE df t.ratio p.value CI_lower CI_upper Effect_Size
0 - 3 1.67 0.90 30.32 1.85 0.07 -0.10 3.44 0.40
0 - 6 -2.24 0.93 30.55 -2.40 0.02 -4.07 -0.41 -0.53
0 - Final -1.98 1.01 30.72 -1.96 0.06 -3.95 0.00 -0.47
3 - 6 -3.91 1.03 30.58 -3.80 0.00 -5.93 -1.89 -0.93
3 - Final -3.65 1.11 30.93 -3.29 0.00 -5.82 -1.47 -0.87
6 - Final 0.26 1.08 29.88 0.25 0.81 -1.85 2.38 0.06

5.5 5.5 DASH

DASH Model Pairwise Contrast with Effect Size
contrast estimate SE df t.ratio p.value CI_lower CI_upper Effect_Size
0 - Final 29.83 4.81 13.91 6.21 0 20.41 39.25 1.3

5.6 5.6 PRWHE

PRWHE Model Pairwise Contrast with Effect Size
contrast estimate SE df t.ratio p.value CI_lower CI_upper Effect_Size
0 - Final 39.35 4.8 13.82 8.21 0 29.95 48.75 1.49

6 6. Notes