Case Control Study
Copyright ©The Author(s) 2020.
World J Clin Cases. Feb 26, 2020; 8(4): 679-688
Published online Feb 26, 2020. doi: 10.12998/wjcc.v8.i4.679
Table 1 Basic patient information, n (%)
InformatonExperimentControlSχ2P value
Gender
M41 (54.7)45 (60)0.440.51
F34 (45.3)30 (40)
Age6.15.60.76
M5.25.82.14
F7.15.52.05
Diagnosis
OSAHS75 (100)75 (100)
Chronic tonsillitis43 (57.3)39 (52)0.430.51
Others69 (92)71 (94.7)0.420.51
Complications
Asthma4 (5.3)3 (4)0.150.70
Allergic rhinitis8 (10.7)6 (8)0.350.58
Obesity9 (12)7 (9.3)0.280.60
Hearing loss4 (5.3)2 (2.7)0.690.41
Table 2 Anesthesia and duration of surgery, n (%)
ExperimentControlχ2P value
Anesthesia
Inhalation73 (97.3)74 (98.7)0.340.56
Intravenous injection2 (2.7)1 (1.3)
Surgical procedure
Tonsillectomy and adenoidectomy71 (94.7)72 (96)0.340.56
Tonsillectomy4 (5.3)3 (4)
Surgery duration (min)
20-3048 (64)55 (73.3)
30-4024 (32)19 (25.3)
40-502 (2.7)0 (0)
50-601 (1.3)0 (0)
Table 3 Effectiveness comparison of the two groups, n (%)
ExperimentControlχ2P value
Cure71 (94.7)68 (90.7)0.8830.347
Non-cure4 (5.3)7 (9.3)
Table 4 Postoperative complications
Experiment (cases)Congrol (cases)χ2P value
Hyperthermia
> 38.5185.790.02
< 38.57467
Postoperative bleeding
Male034.110.04
Age6 yr
7 yr
9 yr
Female01
10 yr
Velopharyngeal incompetence00
Table 5 Swallowing pain score
Days after surgery (d)ControlExperimentTP value
18 ± 1.66.9 ± 2.04.27< 0.05
27.1 ± 1.46.1 ± 1.94.90< 0.05
35.5 ± 1.94.8 ± 1.63.67< 0.05
44.5 ± 2.13.2 ± 1.45.64< 0.05
53.6 ± 1.82.6 ± 1.44.26< 0.05
63.4 ± 1.42 ± 1.37.29< 0.05