Table 1 Patient demographic information and indications for procedure.

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

Factor

Values

(n = 45)

Sex, male

29 (64.4%)

Age (years), mean ± SD

69 (12.6)

Body mass index (kg/m2), mean ± SD

23.4 (4.0)

Smoking (current and previous)

27 (60.0%)

Alcohol abuse

7 (15.6)

Allergies

13 (28.9%)

Past history

 Ischemic heart disease

1 (2.2%)

 Hypertension

19 (42.2%)

 Dyslipidemia

7 (15.6%)

 Diabetes

12 (26.7%)

 COPD or asthma

4 (8.9%)

Regular medication

 Sleeping drugs

2 (4.8%)

 Antipsychotics

1 (2.4%)

 Anxiolytics

0 (0%)

 Antihypertensive drugs

19 (45.2%)

ASA class

 I

16 (35.6%)

 II

29 (64.4%)

 III

0 (0%)

CXR abnormalities

10 (22.2%)

STOP-Bang questionnaire ≥ 3

33 (73.3%)

Mallampati score ≥ 3

25 (55.6%)

Excess neck soft tissue

25 (55.6%)

Baseline systolic blood pressure (mmHg), mean ± SD

129.6 (17.6)

Baseline oxygen saturation (%), mean ± SD

97.4 (1.0)

Baseline heart rate (beats/min), mean ± SD

72 (12.3)

Total propofol dose (mg), mean ± SD

120.7 (68.0)

Total fentanyl dose (μg), mean ± SD

242.3 (139.8)

Procedure time (min), mean ± SD

65.3 (29.4)

  1. Values are presented as n (%), unless otherwise specified, values are presented as n (percent). The STOP-Bang questionnaire consists of eight dichotomous (yes/no) questions: (1) snoring, (2) daytime fatigue, (3) observed apnea, (4) high blood pressure, and (5) BMI ≥ 30, (6) age ≥ 50 years, (7) neck circumference ≥ 40 cm, and (8) male sex. The total score ranges from 0 to 8.
  2. ASA American Society of Anesthesiologists, COPD chronic obstructive pulmonary disease, CXR chest X-ray, SD standard deviation.
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