Table 4 Number of false alarms.

From: Phase II study comparing nasal pressure monitoring with capnography during invasive endoscopic procedures: a single-center, single-arm trial

Number of false alarms

Capnography

Nasal pressure monitoring

Number of cases

Ratio (95% CI)

Number of cases

Ratio (95% CI)

0

36

83.7% (69.3–93.2)

32

74.4% (58.8–86.5)

1

5

11.6% (3.9–25.1)

6

14.0% (5.3–27.9)

2

1

2.3% (0.6–12.3)

3

7.0% (1.5–19.1)

3

0

0% (0–8.2)

1

2.3% (0.6–12.3)

4

1

2.3% (0.6–12.3)

1

2.3% (0.6–12.3)

p

0.75

  1. The p-value was calculated using Fisher’s exact test.
  2. CI confidence interval.
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