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Change of GOLD Stages within 12 months
| Non-quitters (n=80) | Quitters (n=68) | ||
|---|---|---|---|
|
|
|
||
| GOLD Status | n | GOLD Status | n |
| Stage-0 to Stage-I | 5 | Stage-I to Stage-0 | 1 |
| Stage-I to Stage-II | 9 | Stage-II to Stage-I | 0 |
| Stage-II to Stage-III | 1 | Stage-III to Stage-II | 1 |
| Stage-III to Stage-IV | 2 | Stage-IV to Stage-III | 3 |
| Total worsening | 17–21.5% | Total improved | 5–7.3% |
