Risk factors and management countermeasures for obstructive sleep apnea hypoventilation syndrome in children

Table 1 General information on the study population, n (%)

Group		Cases	Controls	Χ²/T	P value
Age (yr)		6.00 ± 1.51	5.94 ± 1.51	−9.880	0.214
Adenoid grade	IV	14 (16.47)	8 (9.40)	13.458	0.004
	III	21 (24.71)	7 (8.20)
	II	30 (35.29)	34 (40.00)
	I	20 (23.53)	36 (42.4)
Tonsil grade	IV	23 (27.06)	9 (10.59)	17.215	0.001
	III	23 (27.06)	11 (12.94)
	II	18 (21.28)	26 (30.59)
	I	21 (24.71)	39 (45.88)
Sinusitis	Yes	56 (65.88)	18 (21.18)	34.555	0.000
	No	29 (34.12)	67 (78.82)
Rhinitis	Yes	46 (54.12)	13 (15.29)	28.268	0.000
	No	39 (45.88)	72 (84.71)
BMI		26.87 ± 0.95	26.34 ± 0.92	-8.121	0.264

BMI: Body mass index.

Table 2 Correlation analysis

	Group	Glandular pattern grading	Tonsil indexing	Sinusitis	Pharyngitis
Group	1.000	0.256a	0.301a	0.451a	0.408a

^aP < 0.01.

Table 3 Assignment table

Variable	Division
Glandular pattern grading	Grade I = 0; Grade II = 1; Grade III = 2; Grade IV = 3
Tonsil indexing (grade I)	Grade I = 0; Grade II = 1; Grade III = 2; Grade IV = 3
Sinusitis	Yes = 0; No = 1
Pharyngitis	No = 1; Yes = 0

Table 4 Binary logistic regression model analysis

	B	t value	P value	OR	EXP(B)
					Upper	Lower
Glandular pattern grading (grade I)		11.051	0.000
Grade II	0.927	1.321	0.571	1.814	0.688	3.964
Grade III	0.527	9.193	0.007	10.885	5.145	20.491
Grade IV	0.478	14.291	0.001	13.03	0.547	48.365
Tonsil indexing (grade I)		10.291	0.017
Grade II	2.304	3.757	0.053	10.091	0975	102.999
Grade III	3.223	4.338	0.037	25.094	1.209	520.727
Grade IV	2.754	5.264	0.022	0.064	0.006	0.669
Sinusitis	0.782	3.591	0.04	2.528	0.102	5.426
Pharyngitis	0.167	5.102	0.01	1.612	1.187	2.190

OR: Odds ratio.