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Table 4 Results of stroke index computation using proposed methods

From: Motor recovery monitoring using acceleration measurements in post acute stroke patients

     Observed Norm based SMA based Energy based
Patient Day 1 Day 2 Affected T0 T1 T2 T24 Affected T0 T1 T2 T24 Affected T0 T1 T2 T24 Affected T0 T1 T2 T24
No. (Mins) (Mins) Arm      Arm      Arm      Arm     
1 183 60 Left 1 1 0 0 Left 1 1 2 1 Left 1 1 2 1 Left 1 2 2 1
2 161 69 Left 1 1 1 1 Left 1 1 1 1 Right 1 1 1 1 Left 1 1 1 1
4 131 26 Left 3 3 3 3 Left 3 3 3 3 Left 3 3 3 3 Left 3 3 3 3
5 218 83 Left 2 2 2 2 Left 1 2 2 1 Left 1 2 1 2 Left 2 2 2 2
8 165 68 Right 1 1 1 1 Right 3 1 1 1 Right 3 1 1 2 Right 3 3 1 1
9 161 72 Left 3 3 3 3 Left 3 3 3 3 Left 3 3 3 3 Left 3 3 3 3
10 162 × Right 2 2 2 × Right 2 3 2 × Right 2 3 1 × Right 2 2 2 ×
12 162 90 Left 1 1 1 1 Left 3 1 1 3 Left 3 1 1 3 Left 2 1 1 3
13 161 128 Left 3 3 3 3 Left 3 3 1 2 Left 3 3 3 3 Left 3 3 3 3
15 82 66 Right 3 3 3 3 Left 3 × × 1 Right 3 × × 3 Right 3 × × 3
16 82 68 Right 1 1 1 1 Right 1 2 × 2 Right 1 2 × 3 Right 1 2 × 2
17 83 70 Left 3 3 3 3 Left 3 3 × 3 Left 3 3 × 2 Left 3 3 × 3
18 91 60 Right 3 3 3 3 Right 3 1 × 3 Right 3 3 × 3 Right 3 3 × 3
19 80 75 Right 3 3 3 3 Right 3 3 × 3 Right 3 3 × 3 Right 3 3 × 3
20 80 77 Left 2 2 2 1 Left 2 1 × 1 Left 2 1 × 3 Left 2 2 × 2
Accuracy         93.33% 71.15% 93.33% 73.08% 100% 80.77%
  1. The first three columns give basic information about the recording. T0, T1 and T2 are recorded on the first day at the time of onset and every hour subsequent to that. T24 is recorded on the second day at T0+24 hours.
  2. The observed values and calculated values using the three methods is given. × means, the recording was unavailable due to either recording technicians fault or fault in the hardware. The errors are highlighted.