Table 1 Epidemiological and clinical data.

From: A prospective study on incidence of desaturations in ERCP with non-anesthesiologist sedation and adverse event awareness of endoscopists

Overall ERCPs, n

232

   

ERCPs in general anesthesia, n (%)

 

14 (6%)

  

ERCPs with NAPS, n (%)

 

218 (93.9%)

  

NAPS-ERCPs with available desaturation data, n (%)

 

199 (91.3%)

  

Of all ERCPs

    

Females, n (%)

120 (51.7%)

   

Age, mean (SD)

67.8 (SD 15.7))

   

Length of stay, median (IQR)

5 (2;11)

   

CCI, median (IQR)

4 (2;7)

   

Desaturation, % (95%CI)

22.6%

(16.7–28.5%)

   

Hypoxemia, %

28.1%

(21.8–34.4%)

   

Risk factors

Hypoxemia

No hypoxemia

 

aOR & p-value*

Age, mean (SD)

69.8 (14.8)

67.9 (15.6)

p = 0.44

 

BMI, median (IQR)

26.5 (23.5;29.8)

 

p = 0.009

aOR 1.08 (95%CI 1.00–1.17)

p = 0.049

ASA, median (IQR)

3 (2;4)

2 (2;3)

p = 0.003

aOR 2.55 (95%CI 1.34–4.87)

p = 0.004

Snoring, %

42.1%

21.2%

p = 0.002

aOR 2.31 (95%CI 0.97–5.45)

p = 0.056

Propofol mg/kg body weight, median (IQR)

6.5 (4.4;9.1)

6.4 (4.3;9.9)

p = 0.72

 

Procedural length in minutes, median (IQR)

59 (41;80)

57 (37;57)

p = 0.61

 

CCI, median (IQR)

5 (2;8)

4 (2;6)

p = 0.19

 

Smoker, %

45.6%

45.9%

p = 0.99

 

Cholangitis, %

14.3%

11.9%

p = 0.63

 

CRP, median (IQR)

2.3 (1;13)

2.4 (0.7;6.5)

p = 0.17

 
  1. NAPS = nurse-assisted propofol sedation, SD = standard deviation, CCI = Charlson comorbidity index, hypoxemia = desaturation or intervention performed for SpO2 drop, smoking = current or ex-smoker, IQR = interquartile range 25;75, CR p = C-reactive protein.
  2. *p-values after adjustment for multiple analysis and adjusted Odds Ratios (aOR).
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