Table 3. Observed Mean Kinematics for Suturing Tasks (mean ± SD, n=60).
n | Speed (mm/s) | Acceleration (mm/s2) | |||||
---|---|---|---|---|---|---|---|
Average | Maximum | Standard Deviation | Average | Maximum | Standard Deviation | ||
Role | |||||||
Attending | 39 | 386.70 ± 172.87 | 2205.69 ± 787.27 | 421.53 ± 172.85 | 3700.68 ± 1665.78 | 22863.61 ± 9905.88 | 4038.68 ± 1804.09 |
Resident | 21 | 219.22 ± 60.81 | 1852.34 ± 920.64 | 299.94 ± 131.08 | 2233.81 ± 678.08 | 18833.46 ± 12416.91 | 2903.34 ± 1409.52 |
Task Category | |||||||
S1 | 28 | 402.88 ± 174.42 | 2268.77 ± 837.74 | 431.01 ± 187.26 | 4093.13 ± 1677.65 | 23690.76 ± 10788.75 | 4209.39 ± 1851.40 |
S2 | 20 | 227.60 ± 63.39 | 1865.40 ± 754.71 | 320.88 ± 124.33 | 2237.20 ± 588.06 | 19726.32 ± 10531.25 | 3085.44 ± 1231.21 |
S3 | 12 | 321.00 ± 174.65 | 2007.32 ± 974.91 | 354.38 ± 162.29 | 2657.05 ± 1244.83 | 19109.66 ± 11748.95 | 3242.23 ± 1966.40 |
Role by Task Category | |||||||
Attending S1 | 19 | 488.21 ± 138.49 | 2552.49 ± 595.20 | 507.89 ± 160.36 | 4889.51 ± 1341.74 | 26728.61 ± 8663.26 | 4871.29 ± 1641.38 |
Attending S2 | 11 | 240.67 ± 67.77 | 1663.27 ± 554.39 | 307.07 ± 101.78 | 2349.31 ± 630.08 | 16988.19 ± 6938.71 | 2910.16 ± 1023.74 |
Attending S3 | 9 | 350.88 ± 194.48 | 2199.87 ± 1058.19 | 379.12 ± 182.65 | 2842.58 ± 1391.98 | 21873.03 ± 12376.00 | 3660.23 ± 2128.25 |
Resident S1 | 9 | 222.76 ± 75.68 | 1733.13 ± 1046.84 | 268.72 ± 129.70 | 2411.88 ± 873.05 | 17277.52 ± 12481.36 | 2812.04 ± 1506.45 |
Resident S2 | 9 | 211.62 ± 57.27 | 2112.44 ± 918.55 | 337.75 ± 152.27 | 2100.18 ± 535.39 | 23060.69 ± 13434.32 | 3299.68 ± 1481.98 |
Resident S3 | 3 | 231.38 ± 20.40 | 1429.67 ± 284.59 | 280.14 ± 19.82 | 2100.45 ± 390.84 | 10819.56 ± 3015.83 | 1988.23 ± 65.39 |
SD, standard deviation; S1, Body Wall; S2, Bowel Anastomosis; S3, Complex Anastomosis