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. 2021 Dec 9;3(1):zpab019. doi: 10.1093/sleepadvances/zpab019

Table 5.

Confusion matrices between Somno-Art Software and visual scoring of PSG for the different study groups

All Somno-Art Software Accuracy OSA Somno-Art Software Accuracy
W N 1+ N2 N3 REM W N1 + N2 N3 REM
PSG W (23.2%) 69.5% 23.9% 1.9% 4.7% 87.8% PSG W (24.9%) 64.5% 28.0% 3.2% 4.4% 83.1%
N1 + N2 (45.2%) 9.3% 69.0% 12.7% 8.9% 71.5% N1 + N2 (49.5%) 13.7% 63.7% 12.4% 10.2% 67.8%
N3 (15.5%) 1.5% 32.7% 64.1% 1.7% 88.0% N3 (11.7%) 4.9% 30.2% 62.9% 1.9% 88.6%
REM (16.1%) 4.6% 24.0% 1.4% 70.1% 89.8% REM (13.9%) 7.2% 28.1% 0.8% 63.9% 88.7%
Healthy Somno-Art Software Accuracy Insomniac Somno-Art Software Accuracy
W N1 + N2 N3 REM W N1 + N2 N3 REM
PSG W (9.6%) 73.3% 21.8% 1.2% 3.7% 93.0% PSG W (29.6%) 74.5% 19.9% 1.2% 4.4% 87.6%
N1 + N2 (51.4%) 7.1% 69.3% 14.4% 9.2% 72.9% N1 + N2 (40.5%) 9.7% 69.4% 12.0% 8.8% 72.8%
N3 (18.8%) 1.2% 29.6% 67.6% 1.7% 86.3% N3 (15.1%) 0.8% 33.6% 63.7% 2.0% 89.1%
REM (20.2%) 2.7% 18.2% 0.5% 78.6% 90.2% REM (14.8%) 5.1% 25.9% 1.5% 67.5% 90.0%
Pathologies Somno-Art Software Accuracy Depressed Somno-Art Software Accuracy
W N1+N2 N3 REM W N1 + N2 N3 REM
PSG W (26.0%) 69.2% 24.1% 1.9% 4.8% 86.7% PSG W (23.9%) 65.8% 26.8% 2.3% 5.2% 86.7%
N1 + N2 (43.9%) 9.9% 68.9% 12.3% 8.9% 71.2% N1 + N2 (45.2%) 9.3% 69.6% 12.5% 8.6% 70.8%
N3 (14.8%) 1.6% 33.5% 63.2% 1.7% 88.4% N3 (15.2%) 1.7% 33.9% 63.0% 1.4% 87.9%
REM (15.2%) 5.1% 25.6% 1.6% 67.7% 89.7% REM (15.7%) 4.8% 25.0% 1.8% 68.3% 89.7%

Values are normalized by row. Bold numbers correspond to agreement scores. Numbers under brackets correspond to the percentage of each sleep stage measured with PSG.