|
Variables
|
Control (n = 36)
|
Pre surgery (n = 16)
|
After surgery (n = 16)
|
p
|
|---|
| | | | |
(after vs. pre)
|
|---|
|
% SE
|
73.43 ± 9.16
|
74.27 ± 15.35
|
77.42 ± 23.73
|
ns
|
|
% 1NREM
|
10.80 ± 12.14
|
11.37 ± 10.78
|
14.34 ± 9.17
|
ns
|
|
% 2NREM
|
49.92 ± 18.71
|
57.52 ± 20.37
|
43.88 ± 5.80
|
ns
|
|
% 3NREM
|
15.68 ± 7.32
|
13.59 ± 10.62
|
17.54 ± 5.70
|
0.000*
|
|
% REM
|
23.60 ± 13.27
|
17.52 ± 11.91
|
24.24 ± 8.26
|
0.049*
|
|
Mean SaO2
|
92.66 (78 to 97)
|
93.30 (87 to 97)
|
94.3 (86.6 to 98)
|
ns
|
|
Nadir SaO2
|
79.90 (50 to 94)
|
83.25 (70 to 94)
|
85 (70 to 95)
|
ns
|
|
Wake SaO2
|
97 (94 to 98)
|
96.38 (95 to 99)
|
97 (94 to 99)
|
ns
|
|
Mean AHI
|
15.34 ± 9.14
|
15.65 ± 15.51
|
6.26 ± 7.57
|
0.008*
|
|
ESS
|
9.18 ± 5.34
|
6.92 ± 6.54
|
3.00 ± 3.56
|
ns
|
|
BQ
|
1.45 ± 0.50
|
1.75 ± 0.45
|
1.08 ± 0.28
|
0.001*
|
|
AHI (<5)
|
10
|
2
|
9
| |
|
AHI ( 5 < 15)
|
14
|
7
|
6
| |
|
AHI (15 < 30 )
|
5
|
4
|
1
| |
|
AHI (≥30)
|
7
|
3
|
0
| |
- AHI, Apnea/hypopnea index; BQ, Berlin Questionnaire; ESS, Epworth Sleepiness Scale; NREM, No Rapid-eye-movement sleep; REM, Rapid-eye-movement sleep; SaO2, Arterial oxygen saturation; SE, Sleep Efficiency. * p derived by paired Student’s t test.
