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Table 2 Incidence of frontal recess cells in various populations

From: Frontal recess anatomy in Japanese subjects and its effect on the development of frontal sinusitis: computed tomography analysis

Cell types Our cases Japanese; 300 sides, no. (%) Taiwanese; 363 sides, no. (%) Chinese, 404 sides, no. (%) Korean, 114 sides, no. (%) Caucasian, 82 sides, no. (%)
ANC 265 (88.0) 323 (89.0) 380 (94.1) 107 (94.0) 71 (86.6)
FC1 111 (37.0) 78 (21.5) 98 (24.4) 26 (22.8) 29 (35.4)
FC2 19 (6.3) 38 (10.5) 28 (7.0) 16 (14.0) 17 (20.7)
FC3 13 (4.3) 28 (7.7) 33 (8.2) 9 (7.9) 7 (8.5)
FC4 4 (1.3) 0 (0) 0 (0) 0 (0) 0 (0)
SBC 111 (37.0) 142 (39.1) 148 (36.6) 45 (39.5) 9 (11.0)
SOEC 18 (6.0) 28 (7.7) 22 (5.4) 3 (2.6) 53 (64.6)
FBC 21 (7.0) 23 (6.3) 36 (9.0) 16 (14.0) 5 (6.1)
IFSSC 26 (8.6) 35 (9.6) 25 (12.4) 10 (8.8) 6 (7.3)