Normalised lumen area as a fraction of control group mean 
among subjects with HypoS, NormS and HyperS
| Airway segment | Hypokyphosis with scoliosis (HypoS) | Normal kyphosis with scoliosis (NormS) | Hyperkyphosis with scoliosis (HyperS) | Kruskal-Wallis test (P value) |
| Trachea | 0.89±0.06 | 0.95±0.10 | 0.95±0.08 | <0.005*§ |
| RMB | 0.71±0.15 | 0.81±0.13 | 0.85±0.18 | <0.0005*† |
| RUL | 0.62±0.32 | 0.85±0.33 | 0.75±0.24 | <0.05 |
| BI | 0.55±0.22 | 0.77±0.17 | 0.92±0.21 | <0.0001*†¶ |
| RB4+5 | 0.54±0.28 | 0.68±0.26 | 0.93±0.27 | <0.005*† |
| RB6 | 0.38±0.37 | 0.57±0.40 | 0.45±0.31 | <0.005*†‡ |
| RLL7 | 0.34±0.32 | 0.63±0.31 | 0.86±0.29 | <0.0005*† |
| LMB | 0.74±0.20 | 0.88±0.13 | 0.86±0.27 | <0.05* |
| LUL | 0.88±0.12 | 0.98±0.32 | 1.02±0.38 | 0.420 |
| LB1+2+3 | 0.89±0.36 | 0.85±0.48 | 0.62±0.37 | 0.079 |
| LB4+5 | 0.78±0.26 | 0.83±0.38 | 1.30±0.66 | 0.116 |
| LLB6 | 0.87±0.20 | 0.84±0.23 | 0.93±0.14 | 0.255 |
| LB6 | 0.86±0.30 | 0.76±0.38 | 0.58±0.04 | 0.072 |
| LLB | 0.82±0.27 | 0.81±0.31 | 0.84±0.13 | 0.131 |
Dunn’s post - hoc test: *P< 0.05 for c ontrol vs HypoS , † P<0.05 for c ontrol vs NormS , ‡P<0.05 for c ontrol vs HyperS, §P<0.05 for HypoS vs NormS, ¶ P<0.05 for HypoS vs HyperS.
BI, bronchus intermedius; LB1+2+3, left apicoposterior and anterior segmental bronchus; LB4+5, left lingula bronchus; LB6, superior segment of the left lower lobe; LLB (LLB6) , left lower lobe bronchus following (prior to) LB6 bifurcation ; LMB, left main bronchus; LUL, left upper lobe bronchus; RB4+5, middle lobe bronchus; RB6, right lower lobe superior segmental bronchus; RLL7, right lower lobe bronchus; RMB, right main bronchus; RUL, right upper lobe bronchus.