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. 2009 Sep 17;107(5):1622–1628. doi: 10.1152/japplphysiol.00562.2009

Table 5.

Airway luminal cross-sectional area (mm2) of subjects matched for lung size

Airway: Men Women %Difference Airway: Men Women %Difference
Trachea 296.1±44.2 238.3±58.1 19.5* RMB 193.2±28.1 147.3±26.7 23.8*
LMB 124.7±22.7 102.1±27.8 18.1* RUL 76.6±18.3 65.3±8.7 14.75*
LUL 79.4±18.1 71.4±14.2 10.1 RB1 24.9±11.3 29.2±18.4 −17.3
LB1 + 2 19.2±13.7 21.3±13.1 −10.9 RB2 24.9±6.6 21.5±6.7 13.65
LB1 14.2±5.8 13.6±3.5 4.2 RB3 21.4±12.3 18.7±13.2 12.6
LB2 14.4±5.2 13.4±5.3 6.9 BRONINT 115.6±14.0 86.2±12.0 25.4*
LB3 34.3±19.1 33.1±19.5 3.5 RB4 + 5 34.5±9.2 33.3±5.7 3.5
LB4 + 5 35.7±13.0 29.3±7.9 17.9 RB4 15.3±4.0 15.0±3.9 2.0
LB4 16.9±7.5 13.0±5.2 23.1 RB5 22.0±6.5 21.4±7.3 2.7
LB5 16.6±4.9 11.4±4.2 31.3* RLL 36.2±9.7 35.0±13.1 3.3
LLB6 73.1±19.4 71.4±22.9 2.3 RLL7 59.7±18.6 57.8±13.0 3.2
LLB 44.7±9.4 46.0±12.2 −2.9 RB6 24.0±11.1 27.8±7.2 −15.8
LB6 29.8±8.7 29.9±9.8 −10.0 RB7 18.9±4.6 16.7±3.4 11.6
LB8 25.7±13.9 21.3±4.4 17.1 RB8 18.9±5.6 20.1±7.1 −6.4
LB9 18.1±5.8 17.7±4.1 2.2 RB9 18.2±5.7 17.1±2.6 6.0
LB10 24.9±5.3 22.9±4.4 8.0 RB10 21.8±7.5 21.1±5.9 3.2

Values are means ± SD.

*

Significant difference between men and women (P < 0.05).