3.
两组患者住院日、住院花费、肺功能及生活治疗的比较（Mean±SD）
Difference of hospital stay, in-hospital expense and pulmonary function between the two groups (Mean±SD)
| Variables | AG (n=35) | CG (n=34) | P |
| *Higher scores indicate better functioning (scaled from 0-100); †Lower scores indicate less dyspnea (scaled from 0-100). | |||
| Length of stay | |||
| Total (d) | 10.86±5.64 | 14.41±4.58 | 0.01 |
| Preoperative (d) | 5.77±1.93 | 6.53±2.39 | 0.15 |
| Postoperative (d) | 5.09±4.55 | 7.59±3.21 | 0.01 |
| Hospital expense | |||
| Total cost (¥) | 48, 581.80±9, 966.73 | 47, 093.38±7, 830.94 | 0.49 |
| Drug cost (¥) | 4, 413.60±1, 772.35 | 6, 490.35±3, 367.66 | 0.00 |
| Duration of antibiotic use (d) | 2.06±1.64 | 2.32±0.95 | 0.41 |
| Duration of chest tube (d) | 3.09±3.79 | 4.12±3.11 | 0.22 |
| Pulmonary function | |||
| FEV1 (the day before operation, L) | 2.39±0.38 | 2.50±0.42 | 0.25 |
| PEF (the day before operation, L/min) | 417.31±83.02 | 407.21±47.13 | 0.54 |
| FEV1 (at discharge, L) | 1.50±0.32 | 1.34±0.19 | 0.03 |
| PEF (at discharge, L) | 252.06±75.27 | 216.94±49.72 | 0.03 |
| QoL evaluation (the day before operation) | |||
| Global QoL* | 68.63±11.08 | 65.44±10.08 | 0.22 |
| Physical function* | 88.19±3.65 | 86.86±3.06 | 0.11 |
| Social function* | 80.95±11.53 | 81.86±1.14 | 0.74 |
| Dyspnoea score† | 20.00±16.57 | 22.58±18.84 | 0.52 |
| Fatigue score† | 10.42±8.44 | 10.04±7.23 | 0.85 |
| QoL evaluation (the day discharged) | |||
| Global QoL* | 65.47±11.28 | 62.50±7.18 | 0.20 |
| Physical function* | 87.43±3.53 | 86.86±3.06 | 0.48 |
| Social function* | 80.00±11.99 | 79.90±12.83 | 0.94 |
| Dyspnoea score† | 20.00±16.57 | 23.53±15.42 | 0.36 |
| Fatigue score† | 11.11±8.52 | 11.44±8..42 | 0.87 |