Table Serial pulmonary function test results showing a marked improvement in vital capacity (VC) and total lung capacity (TLC) from the initial baseline levels after stopping co-proxamol therapy. Little change in carbon monoxide transfer factor (Kco) was, however, seen
| Date | TLC (l) | VC (l) | KCO (mmol/min/kPa/l) |
|---|---|---|---|
| 13 May 93 | 5.70 | 4.30 | 1.05 |
| 06 Sep 93 | 5.15 | 3.75 | 0.96 |
| 08 Nov 93 | 5.60 | 3.95 | 0.86 |
| 17 Jan 94 | 6.15 | 4.05 | 1.03 |
| 26 Jan 95 | 6.85 | 5.30 | 1.05 |
| Predicted | 6.3 ± 0.8 | 4.2 ± 0.7 | 1.42 ± 0.27 |