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. 2022 Nov 7;24(11):e37614. doi: 10.2196/37614

Table 2.

Clinical outcomes and keystroke dynamics clusters for each clinical visit.

Outcomes M0 M3 M6 M9 M12
Nine-Hole Peg Testa

Subjects, n 102 93 76 58 89

Time (seconds), median (IQR) 21.2 (19.4-25.0) 21.0 (18.7-24.0) 20.5 (18.8-22.5) 20.2 (18.5-22.0) 20.3 (18.7-23.0)
Symbol Digit Modalities Test

Subjects, n 102 93 76 58 90

Mean score (SD) 54.4 (10.3) 56.8 (10.4) 57.9 (12.0) 61.3 (12.8) 60.3 (12.9)
Fine motor score cluster

Subjects, n 96 88 72 55 71

Time (seconds), mean (SD) 0.45 (0.16) 0.44 (0.16) 0.44 (0.17) 0.39 (0.15) 0.42 (0.17)

Daysb (n), mean (SD) 14.3 (2.4) 26.4 (4.8) 26.2 (4.8) 25.5 (5.4) 15.5 (5.5)
Cognition score cluster

Subjects, n 101 89 70 55 72

Time (seconds), mean (SD) 1.01 (0.42) 0.95 (0.40) 0.92 (0.40) 0.86 (0.38) 0.90 (0.44)

Daysb (n), mean (SD) 7.8 (1.0) 13.7 (1.0) 13.3 (2.2) 13.1 (2.1) 8.4 (2.7)

aFor the Nine-Hole Peg Test, an average outlier threshold of 40 seconds was implemented, excluding 14 of 387 samples (3.6%).

bOnly days with ≥50 keystroke events.