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Table 2 Biochemical, lung function, and QOL value before and after in the three groups

From: Effectiveness of treatment with high-frequency chest wall oscillation in patients with bronchiectasis

  Control group (Ctrl) CPT treatment HFCWO treatment Difference between after and before
  difference difference difference CPT HFCWO HFCWO
  After-before After-before After-before vs Ctrl vs Ctrl vs CPT
  Mean SD Mean SD Mean SD P-value (covariance analysis)
WC (103 cell) 957.0 915.7 407.0 2211.2 −673.8 1093.6 0.42 0.02 0.123
RC (106 cell) −82.0 62.3 26.0 164.7 73.0 202.5 0.13 0.03 0.503
Neutr % 5.4 9.2 1.2 4.2 −4.0 8.5 0.23 0.01 0.136
Lymph % −1.4 3.7 −1.4 2.8 0.6 7.2 0.99 0.37 0.377
FVC (ml) −37.0 35.0 54.5 153.7 192.1 80.9 0.06 0.001 0.006
FEV1 (ml) −21.0 30.7 −94.0 128.3 135.5 93.4 0.09 0.001 0.001
Tiff.Ind. −0.6 1.3 −0.6 3.5 3.1 6.7 0.99 0.07 0.072
TLC (ml) 46.0 95.6 −88.0 312.4 −657.0 1088.9 0.65 0.02 0.063
RV (ml) 65.0 58.5 −145.0 327.8 −580.0 1118.1 0.49 0.04 0.160
Mip (cmH2O) −4.1 2.5 2.1 13.2 9.8 10.1 0.16 0.003 0.088
Mep (cmH2O) −8.3 3.9 2.4 23.6 6.5 7.2 0.10 0.03 0.530
paO2 (mmHg) −1.4 3.5 0.8 9.5 1.7 8.8 0.54 0.38 0.786
paCO2 (mmHg) 0.9 1.8 1.1 2.5 −0.9 2.7 0.82 0.10 0.066
ph −0.004 0.010 0.001 0.023 0.016 0.028 0.59 0.049 0.143
BCSS 3.1 1.4 0.2 1.8 −2.7 1.8 0.001 0.001 0.001
MMRC 1.0 0.8 −0.5 1.1 −0.7 0.8 0.001 0.001 0.629
CAT 9.9 3.6 0.4 6.8 −8.0 4.0 0.001 0.001 0.001
C-R Prot. 1.3 1.1 0.0 0.9 −1.0 0.8 0.01 0.001 0.019
  1. The table displays covariate-unadjusted mean levels.
  2. WC White cells - RC Red cells - FVC Forced vital capacity - FEV1 Forced Expiratory volume 1 sec - Tiff Ind Tiffeneau Index - TLC Total lung capacity - RV residual volume - MIP Maximal inspiratory pressure - MEP Maximal expiratory pressure.
  3. BCSS Breathlessness, Cough, Sputum, Scale - MMRC Modified Medical Research Council Dyspnea Scale - CAT COPD assessment test -C-R prot C-reactive protein Ctrl Control group CPT Chest physiotherapy group HFCWO high frequency chest wall oscillation group.
  4. QOL Quality of life.