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Table 1 General and sleep characteristics of the population

From: What is the remaining status of adaptive servo-ventilation? The results of a real-life multicenter study (OTRLASV-study)

 

N

Whole group, n = 177

CSA group, n = 105 (59.3%)

OSA group, n = 36 (20.3%)

TECSA group n = 36 (20.3%)

P

Anthropometric data

Age (years)

177

71 [65–77]

71.00 [65.00–76.00]

69.50 [65.00–77.00]

74.50 [64.00–83.50]

0.447

Gender, n (%)

177

    

0.378

 Male

 

155 (87.57%)

93 (88.57%)

33 (91.67%)

29 (80.56%)

 

 Female

 

22 (12.43%)

12 (11.43%)

3 (8.33%)

7 (19.44%)

 

BMI (kg/m2)

175

29.90 [26.60–34.00]

29.80 [26.55–33.60]

29.10 [26.70–35.00]

31.55 [26.70–36.05]

0.530

Initial sleep data

 Initial exam

  PG

 

101 (57.06%)

55 (52.38%)

22 (61.11%)

24 (66.67%)

0.281

  PSG

 

76 (42.92%)

50 (47.62%)

14 (38.89%)

12 (33.33%)

 

 Initial AHI (n/h)

177

50.00 [38.30–62.30]

50.00 [39.00–67.00]

46.80 [34.75–58.50]

47.05 [39.00–65.15]

0.671

 Initial OAI (n/h)

154

7.70 [2.00–18.30]

4.00ab [0.90–8.70]

16.45b [9.80–21.80]

18.45a [7.15–28.15]

<.001

 Initial CAI (n/h)

154

10.75 [3.60–23.60]

17.00ab [9.00–33.80]

7.50bc [2.50–9.80]

3.50ac[0.65–7.70]

<.001

 Initial MAI (n/h)

153

1.70[0.00–5.00]

1.50 [0.00–4.65]

4.00 [0.00–9.70]

0.75 [0.00–7.00]

0.279

 Initial HI (n/h)

161

16.00 [8.70–24.90]

16.75 [8.70–24.30]

12.00 [8.35–23.50]

17.00 [11.00–27.00]

0.641

 Initial ESS score

136

10.00 [6.00–13.50]

10.00 [6.00–13.00]

9.00 [4.00–14.00]

12.00 [6.50–13.50]

0.598

 CPAP trial before ASV initiation, n (%)

166

91 (54.82%)

36ab (37.11%)

19bc (57.58%)

36ac (100%)

< 0.001

Final sleep data

 Final AHIflow

177

1.90 [0.70–3.80]

1.80 [0.70–3.30]

1.95 [0.85–5.35]

2.25 [0.50–4.80]

0.448

 Final ESS score

174

6.00 [3.0–9.0]

5.00 [3.0–9.0]

5.00 [2.0–10.0]

6.00 [3.0–10.0]

0.731

ASV-adherence

 Mean adherence > 4 h/day, n (%)

177

154 (87.01%)

99 (94.29%)a

30 (83.33%)

25 (69.44%)a

< 0.001

  1. Quantitative variables were described by medians and [IQ25–75]. Significant pairwise comparisons after Holm correction were presented using a for CSA vs. ESA groups, b for CSA vs. OSA groups and c for OSA vs. ESA groups
  2. AHI Apnea hypopnea index, AHIflow Apnea Hypopnea Index estimated by the device, BMI Body mass index, CAI Central apnea index, CPAP Continuous positive airway pressure, CSA Central sleep apnea, ESS Epworth sleepiness scale, HI Hypopnea index, MAI Mixed apnea index, OAI Obstructive apnea index, OSA Obstructive sleep apnea, PG Polygraphy, PSG Polysomnography, TECSA Treatment emergent central sleep apnea