TABLE 1

Analysis of Episodes of LOSI

LOSI EventWireless Pox, Median (IQR)Control Pox, Median (IQR)P
“Sensor not connected” alarm, N0 (0–1)2 (1–3)<.001
“Sensor not connected” alarm duration, s0 (0–2)39 (20–129)<.001
“Sensor not connected” % time in alarm0 (0–0.1)3 (2–10)<.001
“Sensor off patient” alarm, N0 (0–1)0 (0–2).12
“Sensor off patient” alarm duration, s0 (0–8)9 (0–39).036
“Sensor off patient” % time in alarm0 (0–0.6)0.6 (0–3).028
“Spo2 decrease >4%” episode, Na4 (1–10)8 (4–12).005
“Spo2 decrease >4%” episode duration, sa14 (3–39)32 (17–59)<.001
“Spo2 decrease >4%” % time in episodea1 (0–3)2 (1–4)<.001
“Missing values in Spo2” episode, Na0 (0–2)2 (1–3).15
“Missing values in Spo2” episode duration, sa0 (0–38)47 (6–81).011
“Missing values in Spo2” % time in episodea0 (0–3)3 (0.4–6).011
“Spo2 low” alarm, N2 (0–4)3 (1–6).14
“Spo2 low” alarm duration, s21 (0–43)26 (3–107).13
“Spo2 low” % time in alarm1 (0–3)2 (0.2–7).12
  • A P value <.05 is considered statistically significant. IQR, interquartile range.

  • a LOSI event without alarm state.