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. 2022 Sep 5;21:62. doi: 10.1186/s12938-022-01027-1

Table 2.

The safety and comfort tests (N = 18)

Time 0 min median (IQR) 20 min median (IQR) 40 min median (IQR) 60 min median (IQR) p
SPO2 (%) 98.0 (97.0–98.0) 98.0 (97.8–98.0) 98.0 (98.0–99.0) 98.0 (97.0–98.0) 0.29
EtCO2(mmHg) 33.0 (26.8–35.3) 28.0 (26.5–34.0) 30.0 (26.0–35.3) 30.0 (26.3–32.8) 0.49
SBP (mmHg) 125.5 (112.5–139.8) 115.5 (112.8–144.8) 127.5 (115.5–133.3) 129.0 (115.5–139.5) 0.90
DBP (mmHg) 80.0 (72.5–96.3) 76.5 (73.5–97.5) 78.5 (74.0–88.3) 81.0 (75.0–93.0) 0.72
HR (beats/min) 75.0 (70.0–80.5) 76.0 (70.3–81.3) 74.0 (69.0–81.0) 75.5 (67.0–79.75) 0.98
RR (beats/min) 19.0 (18.0–24.0) 20.0 (19.0–24.0) 21.0 (18.0–22.5) 19.0 (17.0–21.0) 0.05
Comfort score 2.0 (2.0–3.0) 3.0 (2.0–3.0) 3.0 (2.0–3.0) 3.0 (2.0–4.0) 0.02*
Vision clarity score 2.0 (1.8–2.3) 2.0 (2.0–3.0) 2.0 (2.0–3.0) 2.0 (2.0–3.0) 0.07

IQR interquartile range, SPO2 oxyhaemoglobin saturation by pulse oximetry, EtCO2 end-tidal carbon dioxide concentration, SBP systolic blood pressure; DBP diastolic blood pressure, HR heart rate, RR respiratory rate. Significant difference between the two groups

*p < 0.05, significantly different