Table 1 Summary statistics (median and interquartiles Q1–Q3) for the General statistics, Complexity and Periodicity OBMs evaluated on the SHHS1 database.
Biomarker | Non-OSA (n = 1195) | Mild (n = 1303) | Moderate (n = 833) | Severe (n = 475) | Kruskal test |
|---|---|---|---|---|---|
General statistics | |||||
AV | 95.90 (94.77–96.93) | 95.14 (94.01–96.09) | 94.43 (93.36–95.41) | 93.51 (92.23–94.67) | p < 0.001‡ |
MED | 96.00 (95.00–97.00) | 95.00 (94.00–96.00) | 95.00 (93.00–96.00) | 94.00 (93.00–95.00) | p < 0.001‡ |
Min | 79.00 (72.00–85.00) | 79.00 (74.00–84.00) | 79.00 (73.00–83.00) | 76.00 (70.00–81.00) | p < 0.001 |
SD | 1.42 (1.08–1.90) | 1.55 (1.29–1.90) | 1.81 (1.50–2.19) | 2.33 (1.88–3.04) | p < 0.001‡ |
RG | 20.00 (14.00–27.00) | 19.00 (14.00–25.00) | 20.00 (15.00–26.00) | 22.00 (18.00–29.00) | p < 0.001 |
Pxx | 91.00 (88.00–93.00) | 90.00 (88.00–92.00) | 89.00 (86.00–90.12) | 85.00 (81.00–88.00) | p < 0.001‡ |
Mx | 2.14 (1.18–3.82) | 3.44 (1.94–5.51) | 5.84 (3.49–8.96) | 10.98 (6.78–17.00) | p < 0.001‡ |
ZCxx | 435.00 (346.00–540.00) | 481.00 (391.00–579.00) | 557.00 (463.50–638.00) | 690.00 (592.00–812.50) | p < 0.001‡ |
ΔI | 0.36 (0.30–0.42) | 0.47 (0.41–0.54) | 0.66 (0.57–0.76) | 1.03 (0.86–1.44) | p < 0.001‡ |
Complexity | |||||
ApEn | 0.17 (0.13–0.20) | 0.21 (0.17–0.26) | 0.28 (0.23–0.34) | 0.39 (0.31–0.48) | p < 0.001‡ |
LZ | 2389.00 (2241.00–2511.00) | 2435.00 (2314.00–2547.00) | 2492.00 (2374.50–2587.50) | 2587.00 (2483.50–2698.00) | p < 0.001‡ |
CTMx | 0.92 (0.90–0.93) | 0.89 (0.88–0.91) | 0.86 (0.84–0.87) | 0.79 (0.73–0.82) | p < 0.001‡ |
SampEn | 0.06 (0.04–0.08) | 0.08 (0.06–0.11) | 0.12 (0.09–0.15) | 0.21 (0.14–0.31) | p < 0.001‡ |
DFA | 1.14 (0.99–1.37) | 1.35 (1.18–1.54) | 1.70 (1.49–1.98) | 2.47 (2.05–3.24) | p < 0.001‡ |
Periodicity | |||||
PRSADc | 0.56 (0.53–0.60) | 0.56 (0.54–0.59) | 0.59 (0.56–0.63) | 0.67 (0.61–0.78) | p < 0.001‡ |
PRSADad | 1.55 (1.34–1.89) | 1.83 (1.58–2.16) | 2.42 (2.01–2.97) | 3.68 (2.86–4.94) | p < 0.001 |
PRSADos | 0.11 (0.09–0.13) | 0.13 (0.11–0.15) | 0.17 (0.14–0.20) | 0.25 (0.20–0.33) | p < 0.001‡ |
PRSADsb | 0.01 (0.00–0.03) | 0.03 (0.02–0.05) | 0.07 (0.05–0.10) | 0.14 (0.09–0.21) | p < 0.001‡ |
PRSADsa | 0.02 (0.01–0.04) | 0.04 (0.03–0.06) | 0.08 (0.05–0.11) | 0.14 (0.09–0.20) | p < 0.001 |
AC(x104) | 18.20 (17.83–18.54) | 17.97 (17.58–18.29) | 17.69 (17.30–18.04) | 17.33 (16.90–17.79) | p < 0.001 |
PSD_total | 91.49 (89.48–93.71) | 94.65 (92.36–97.49) | 99.81 (96.76–103.93) | 109.27 (103.81–118.61) | p < 0.001‡ |
PSD_band | 3.22 (2.78–3.91) | 4.28 (3.66–5.06) | 6.18 (5.18–7.39) | 9.46 (7.60–13.42) | p < 0.001‡ |
PSD_ratio | 0.04 (0.03–0.04) | 0.05 (0.04–0.05) | 0.06 (0.05–0.07) | 0.09 (0.07–0.11) | p < 0.001‡ |
PSD_peak | 0.02 (0.02–0.02) | 0.03 (0.02–0.03) | 0.04 (0.03–0.05) | 0.06 (0.05–0.10) | p < 0.001‡ |