School of Dental Sciences, Health Campus, Universiti Sains Malaysia, Kota Bahru, Kelantan, Malaysia.
Angle Orthod. 2010 Jan;80(1):37-42. doi: 10.2319/011509-26.1.
To test the null hypothesis that there is no difference in facial profile shape, malocclusion class, or palatal morphology in Malay adults with and without obstructive sleep apnea (OSA).
Subjects were 120 adult Malays aged 18 to 65 years (mean +/- standard deviation [SD], 33.2 +/- 13.31) divided into two groups of 60. Both groups underwent clinical examination and limited channel polysomnography (PSG). The mean OSA and control values were subjected to t-test and the chi square test.
Physical examination showed that 61.7% of the OSA patients were obese, and 41.7% of those obese patients had severe OSA. The mean body mass index (BMI) was significantly greater for the OSA group (33.2 kg/m2 +/- 6.5) than for the control group (22.7 kg/m2 +/- 3.5; P < .001). The mean neck size and systolic blood pressure were greater for the OSA group (43.6 cm +/- 6.02; 129.1 mm Hg +/- 17.55) than for the control group (35.6 cm +/- 3.52; 114.1 mm Hg +/- 13.67; P < .001). Clinical examination showed that the most frequent findings among OSA groups when compared with the control group were convex profiles (71.7%), Class II malocclusion (51.7%), and V palatal shape (53.3%), respectively; the chi square test revealed a significant difference in terms of facial profile and malocclusion class (P < .05), but no significant difference in palatal shape was found.
The null hypothesis is rejected. A convex facial profile and Class II malocclusion were significantly more common in the OSA group. The V palatal shape was a frequent finding in the OSA group.
验证无阻塞性睡眠呼吸暂停（OSA）的马来成年人与有阻塞性睡眠呼吸暂停的马来成年人之间在面部轮廓形状、错颌畸形类别或腭形态方面没有差异的零假设。
本研究纳入了 120 名年龄在 18 至 65 岁之间的成年马来人（平均值±标准差[SD]，33.2±13.31），将他们分为两组，每组 60 人。两组均接受了临床检查和有限通道多导睡眠图（PSG）检查。OSA 和对照组的平均均值进行 t 检验和卡方检验。
体格检查显示，61.7%的 OSA 患者肥胖，41.7%的肥胖患者患有严重的 OSA。OSA 组的平均体重指数（BMI）明显大于对照组（33.2kg/m2±6.5）（22.7kg/m2±3.5；P<0.001）。OSA 组的平均颈围和收缩压（43.6cm±6.02；129.1mmHg±17.55）大于对照组（35.6cm±3.52；114.1mmHg±13.67；P<0.001）。临床检查显示，与对照组相比，OSA 组最常见的表现为凸面型（71.7%）、Ⅱ类错颌（51.7%）和 V 型腭型（53.3%）；卡方检验显示在面部轮廓和错颌类别方面存在显著差异（P<0.05），但在腭型方面无显著差异。
零假设被拒绝。凸面型和Ⅱ类错颌在 OSA 组中更为常见。V 型腭型是 OSA 组的常见表现。
