Introduction
Materials and methods
Landmark | Abbreviation | Definition | |
---|---|---|---|
1 | Webspace 2 | W2 | The most inferior midpoint of the space between 2nd and 3rd finger |
2 | Webspace 3 | W3 | The most inferior midpoint of the space between 3rd and 4th finger |
3 | Webspace 4 | W4 | The most inferior midpoint of the space between 4th and 5th finger |
4 | DIP 2 midline | DIP2m | The midline of the 2nd DIP joint crease |
5 | DIP 3 midline | DIP3m | The midline of the 3rd DIP joint crease |
6 | DIP 4 midline | DIP4m | The midline of the 4th DIP joint crease |
7 | DIP 5 midline | DIP5m | The midline of the 5th DIP joint crease |
8 | MCP 2 midline | MCP2m | The midline of the 2nd MCP joint crease |
9 | MCP 3 midline | MCP3m | The midline of the 3rd MCP joint crease |
10 | MCP 4 midline | MCP4m | The midline of the 4th MCP joint crease |
11 | MCP 5 midline | MCP5m | The midline of the 5th MCP joint crease |
12 | MCP 2 radial side | MCP2r | The most radial point of the 2nd MCP joint crease |
13 | MCP 5 ulnar side | MCP5u | The most ulnar point of the 5th MCP joint crease |
14 | PIP 2 midline | PIP2m | The midline of the 2nd PIP joint crease |
15 | PIP 3 midline | PIP3m | The midline of the 3rd PIP joint crease |
16 | PIP 4 midline | PIP4m | The midline of the 4th PIP joint crease |
17 | PIP 5 midline | PIP5m | The midline of the 5th PIP joint crease |
18 | D1 top | D1t | The most distal midpoint of the fingertip of the 1st finger |
19 | D2 top | D2t | The most distal midpoint of the fingertip of the 2nd finger |
20 | D3 top | D3t | The most distal midpoint of the fingertip of the 3rd finger |
21 | D4 top | D4t | The most distal midpoint of the fingertip of the 4th finger |
22 | D5 top | D5t | The most distal midpoint of the fingertip of the 5th finger |
23 | Distal wrist crease (central) | DWC | The central point of the distal wrist crease |
24 | IP D1 radial side | IP1r | The most radial point of the IP joint crease |
25 | IP D1 ulnar side | IP1u | The most ulnar point of the IP joint crease |
26 | PIP 2 midlinea
| PIP2m | The midline of the 2nd PIP joint crease |
27 | PIP 3 midlinea
| PIP3m | The midline of the 3rd PIP joint crease |
28 | PIP 4 midlinea
| PIP4m | The midline of the 4th PIP joint crease |
29 | PIP 5 midlinea
| PIP5m | The midline of the 5th PIP joint crease |
30 | IP D1 radial sidea
| IP1r | The most radial point of the IP joint crease |
Statistical analysis
Results
Control | Patient | Patient vs control | |||||
---|---|---|---|---|---|---|---|
Distance | Distance | Difference (95 % CI) |
p value | ||||
Left | Right | Left | Right | ||||
Length of the hand | Mean | 186.0 | 186.4 | 195.1 | 196.2 | 8.9 | 0.0025* |
SD | 11.0 | 10.0 | 8.1 | 8.3 | (3.0;14.9) | ||
Length of 2nd finger | Mean | 73.9 | 74.5 | 76.4 | 76.4 | 2.3 | 0.2678 |
SD | 3.6 | 3.4 | 3.0 | 3.9 | (−0.8;5.5) | ||
Length of 3rd finger | Mean | 79.9 | 79.9 | 81.6 | 82.1 | 1.6 | 0.5429 |
SD | 4.5 | 3.9 | 4.0 | 4.4 | (−1.5;4.8) | ||
Length of 4th finger | Mean | 74.6 | 75.3 | 77.0 | 79.1 | 0.1 | 0.9335 |
SD | 4.0 | 4.2 | 3.3 | 4.8 | (−2.1;2.2) | ||
Length of 5th finger | Mean | 60.3 | 61.0 | 63.3 | 64.1 | 3.2 | 0.0132* |
SD | 3.8 | 3.7 | 4.2 | 3.8 | (0.6;5.8) | ||
Width of the hand | Mean | 90.2 | 92.0 | 97.7 | 99.2 | 7.5 | 0.0017* |
SD | 6.1 | 5.4 | 7.1 | 7.4 | (2.7;12.4) | ||
Diameter at the 1st IP joint | Mean | 13.4 | 13.8 | 14.4 | 15.7 | 0.5 | 0.5815 |
SD | 2.0 | 1.4 | 1.3 | 1.8 | (−0.6;1.6) | ||
Diameter at the 2nd PIP joint | Mean | 19.2 | 20.3 | 20.8 | 22.0 | 1.0 | 0.3033 |
SD | 1.9 | 1.5 | 1.6 | 1.7 | (−0.5;2.6) | ||
Diameter at the 3rd PIP joint | Mean | 20.2 | 20.7 | 21.6 | 22.4 | 1.7 | 0.0285* |
SD | 2.2 | 1.7 | 1.7 | 1.7 | (0.1;3.3) | ||
Diameter at the 4th PIP joint | Mean | 18.8 | 19.6 | 20.9 | 20.9 | 1.8 | 0.0692 |
SD | 2.0 | 2.2 | 1.5 | 1.6 | (−0.1;3.7) | ||
Diameter at the 5th PIP joint | Mean | 16.7 | 17.0 | 17.9 | 18.7 | 1.0 | 0.4674 |
SD | 1.7 | 1.7 | 1.5 | 1.3 | (−0.7;2.7) |