Prevalence of High Jugular Bulb across Different Stages of Adulthood in A Chinese Population

Wang Jingjing, Feng Yanmei, Wang Hui, Li Chunyan, Wu Yaqin, Shi Haibo, Yin Shankai, Chen Zhengnong

Table 3 Age- and sex-specific area of different JB types [normal jugular bulb (normal JB) or high jugular bulb (HJB)].

Age (yrs) Men Women All Normal JB HJB P1 Normal JB HJB P2 Normal JB HJB P3 Ears (n) Area (mm2) Ears (n) Area (mm2) Ears (n) Area (mm2) Ears (n) Area (mm2) Ears (n) Area (mm2) Ears (n) Area (mm2) 35-44 652 52.0 (25.4) 116 62.6 (36.2) 0.013 616 49.8 (28.6) 154 62.9 (34.6) <0.001 1268 51.0 (27.0) 270 62.8 (35.2) <0.001 45-54 1210 52.0 (27.9) 162 65.8 (34.7) <0.001 1448 47.6 (26.5) 268 64.8 (33.1) <0.001 2658 49.6 (27.2) 430 65.2 (33.7) <0.001 55-64 1018 52.2 (29.1) 136 68.8 (42.4) <0.001 1112 47.2 (27.0) 224 65.1 (35.0) <0.001 2130 49.6 (28.1) 360 66.5 (37.9) <0.001 65-75 876 47.5 (27.0) 118 63.6 (34.0) <0.001 834 46.5 (26.9) 134 68.0 (38.0) <0.001 1710 47.0 (27.0) 252 65.9 (36.2) <0.001 Total 3756 51.0 (27.7) 532 65.4 (36.9) <0.001 4010 47.6 (27.1) 780 65.1 (34.8) <0.001 7766 49.2 (27.4) 1312 65.2 (35.7) <0.001