Skip to main content

Table 3 Percentage of time spent within, above and below target range

From: Determination of oxygen saturation compared to a prescribed target range using continuous pulse oximetry in acutely unwell medical patients

Percentage of time All
N = 80
Target 92–96%
N = 41
Reduced hypercapnic
N = 34
Within range 55.6 (23.6) 61.1 (19) 48.3 (25.2)
Below range 28.4 (25.2) 31.2 (22) 23.4 (26.5)
1–2% below 14.2 (11.7) 17.9 (12) 8.8 (8.3)
3–4% below 6.8 (8) 7.6 (7.1) 4.9 (6.4)
5–6% below 3 (4.3) 2.9 (3.9) 3.1 (4.7)
 ≥ 7% below 4.4 (11) 2.8 (6.8) 6.6 (15)
Above range 16.2 (22.9) 7.7 (13.3) 28.6 (27.6)
1–2% above 10.3 (12.7) 7 (11.5) 15.7 (13)
3–4% above 3.9 (8.5) 0.7 (2.4) 8.4 (11.4)
5–6% above 3.3 (8.8)a NA 3.4 (8.9)
 ≥ 7% above 1.2 (4.2)b NA 1.2 (4.2)
  1. All values are mean (SD)
  2. aN = 35 for participants with an upper SpO2 target range limit of < 96%
  3. bN = 34 for participants with an upper SpO2 target range limit of < 94%