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Angle of collapse in different GOLD stages
| |
No Emphysema |
Emphysema |
|
||
|---|---|---|---|---|---|
| N | AC | N | AC | p value | |
| No COPD |
124 |
156 (±7) |
14 |
157 (±5) |
0.7261 |
| GOLD I |
48 |
152 (±6) |
29 |
148 (±5) |
0.0056 |
| GOLD II |
28 |
146 (±7) |
73 |
138 (±9) |
<.0001 |
| GOLD III |
16 |
137 (±6) |
81 |
126 (±9) |
<.0001 |
| GOLD IV | 7 | 123 (±16) | 54 | 117 (±8) | 0.0858 |
Values are means ± SD.
