The Influence of Functional Endoscopic Sinus Surgery on Sleep Related Outcomes in Patients with Chronic Rhinosinusitis

Table 2

Comparison of characteristics before and after FESS when classified by apnea-hypopnea index (AHI).

Classification

Non-OSAS

Mild OSAS

Moderate OSAS

Severe OSAS

N= 32

N= 26

N= 26

N= 12

Pre-FESS

Post-FESS

P

Pre-FESS

Post-FESS

P

Pre-FESS

Post-FESS

P

Pre-FESS

Post-FESS

P

SNOT-20 score

40.0±17.5

19.5±14.7

<0.001^∗

37.9±18.7

20.4±16.0

<0.001^∗

30.3±21.2

20.4±18.5

0.004^∗

23.1±14.6

23.6±20.6

1.000

Nasal obstruction score

3.4±1.2

1.8±1.3

<0.001^∗

3.4±1.6

1.2±1.1

<0.001^∗

2.5±1.6

1.7±1.4

0.004^∗

2.3±1.7

1.0±1.5

0.01^∗

MCA2

0.36±0.17

0.46±0.23

0.004^∗

0.40±0.15

0.49±0.19

0.033^∗

0.42±0.20

0.49±0.21

0.048^∗

0.49±0.19

0.55±0.15

0.387

Endoscopic score

5.1±1.9

4.9±1.9

0.615

5.2±2.3

4.4±2.0

0.036^∗

5.5±2.4

4.3±1.7

0.001^∗

5.1±3.0

4.9±2.0

0.887

BMI (kg/m^2)

24.00±4.49

23.62±3.11

0.738

25.30±3.04

25.49±2.88

0.136

25.66±5.83

25.77±5.60

0.566

29.34±4.21

29.40±4.20

0.893

ESS score

8.9±5.2

6.5±4.2

0.007^∗

8.4±4.6

6.6±4.1

0.034^∗

9.2±4.5

7.2±4.0

0.012∗

5.7±3.7

6.7±5.8

0.349

Sleep domain of SNOT-20

14.2±7.8

7.0±6.7

<0.001^∗

14.4±8.2

8.4±6.8

0.001^∗

11.3±8.3

8.3±8.5

0.067

10.1±7.9

10.7±9.7

0.562

Snoring index

130.05±103.02

135.33±129.06

0.926

274.44±102.06

198.47±122.36

0.004^∗

322.73±123.70

272.97±129.17

0.200

497.86±137.30

498.72±117.92

0.695

AHI

1.89±1.35

4.50±4.93

0.009^∗

9.05±2.85

10.14±8.08

0.741

19.88±3.62

16.55±8.31

0.035^∗

51.21±14.93

45.69±19.90

0.136

Lowest SaO2 (%)

90.53±3.06

90.16±3.14

0.595

86.19±5.10

86.15±5.21

0.903

85.14±7.73

84.92±6.64

0.444

72.68±12.53

72.50±12.46

0.624

FESS: functional endoscopic sinus surgery; OSAS: obstructive sleep apnea syndrome; Non-OSAS: AHI < 5; mild OSAS: AHI ≥ 5 but < 15; moderate OSAS: AHI ≥ 15 but < 30; severe OSAS: AHI ≥ 30; BMI: body mass index; ESS: Epworth Sleep Score; SNOT-20: Sinonasal Outcome Test-20; SaO₂: arterial oxygen saturation; MCA₂: mean of the second minimal cross-sectional area; Wilcoxon signed rank test; ∗P < 0.05.