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. 2015 Oct 15;16:301. doi: 10.1186/s12891-015-0749-1

Table 2.

Comparison of the mean HIA between groups (N = 312 toes, 165 patients)

Degrees Control group Onychocryptosis P
Median (minimum, maximum) (12.73, 14.20) (16.44, 18.33)
Mean ± SD 13.47 ± 4.66 17.39 ± 6.00 .036a
Typical mean error .374 .481
95 % CI (lower limit, upper limit) (12.73-14.20) (16.44-18.33)

aStudent t test; CI (95 %)