TABLE 1.
RESPIRATORY SYSTEM PHYSIOLOGIC MEASUREMENTS DID NOT DIFFER SIGNIFICANTLY AT BASELINE (0 mg/mg METHACHOLINE) AMONG GROUPS OF MICE
| WT Sham | SP-A−/− Sham | WT LPS | SP-A−/− LPS | WT Sham 1400W | SP-A−/− Sham 1400W | WT LPS 1400W | SP-A−/− LPS 1400W | |
|---|---|---|---|---|---|---|---|---|
| RT | 0.51 ± 0.06 | 0.57 ± 0.02 | 0.60 ± 0.05 | 0.53 ± 0.04 | 0.56 ± 0.02 | 0.57 ± 0.03 | 0.59 ± 0.03 | 0.55 ± 0.02 |
| RN | 0.24 ± 0.02 | 0.26 ± 0.03 | 0.22 ± 0.04 | 0.30 ± 0.05 | 0.27 ± 0.01 | 0.31 ± 0.03 | 0.26 ± 0.02 | 0.36 ± 0.01 |
| G | 4.31 ± 0.53 | 4.23 ± 0.27 | 4.38 ± 0.32 | 4.37 ± 0.23 | 5.29 ± 0.28 | 4.55 ± 0.33 | 5.03 ± 0.38 | 4.65 ± 0.26 |
| H | 25.69 ± 1.54 | 23.24 ± 2.78 | 24.85 ± 0.37 | 24.85 ± 2.52 | 25.07 ± 0.72 | 23.59 ± 1.60 | 25.84 ± 2.41 | 22.05 ± 0.88 |
| C | 0.044 ± 0.003 | 0.048 ± 0.003 | 0.037 ± 0.001 | 0.037 ± 0.003 | 0.039 ± 0.001 | 0.039 ± 0.002 | 0.040 ± 0.003 | 0.040 ± 0.003 |
Definitions of abbreviations: WT, wild-type; SP-A, surfactant protein–A; RT, total respiratory system resistance (cm H2O/ml/second); RN, central airway resistance (cm H2O/second/ml); G, tissue damping (cm H2O/ml); H, tissue elastance (cm H2O/ml); C, compliance (ml/cm H2O).