. 2020 Nov 5;27(9):1421–1431. doi: 10.1177/1352458520968797

Table 2.

General typing characteristics and keystroke features.

	HC (n = 18)	Patients with MS (n = 85)	p value
Total typing events, n	1373.1 (976.9)	1653.6 (1515.1)	0.253^a
Average typing session duration, ms	17,343.5 (6376.1)	21,854.8 (7411.2)	0.018^b
Average word length, characters	4.2 (0.5)	4.2 (0.4)	0.757^b
Ratio of backspaces,^c %	10.4 (4.4)	9.2 (4.6)	0.305^b
Ratio of space bars,^c %	13.0 (1.4)	13.1 (1.9)	0.752^b
Press-Press Latency, ms	−0.388 (0.357)	0.082 (0.676)	0.005^a
Release-Release Latency, ms	−0.349 (0.395)	0.074 (0.688)	0.013^a
Hold Time, ms	−0.172 (0.663)	0.036 (0.551)	0.163^a
Flight Time, ms	−0.360 (0.418)	0.076 (0.693)	0.012^a
Pre-Correction Slowing, ms	−0.511 (0.651)	0.108 (0.785)	0.002^a
Post-Correction Slowing,^d ms	0.370 (0.164)	0.478 (0.147)	0.005^a
Correction Duration,^e ms	0.505 (0.187)	0.572 (0.221)	0.234^a
After Punctuation Pause, ms	−0.452 (0.627)	0.096 (0.642)	0.001^a

HC: healthy controls; SD: standard deviation; MS: multiple sclerosis.

All data are expressed as mean (SD).

Independent t-tests.

Mann–Whitney U-test.

Ratio to total keystroke events.

Box inverse transformed.

Box square root transformed.