Table 3.
Comparison between patients with and without chronic Pseudomonas aeruginosa (PA) airway colonization.
| Information | With PA (n=9) | Without PA (n=7) | p |
|---|---|---|---|
| mean ± SD | mean ± SD | ||
| Age | 9.44 ± 5.05 | 12.14 ± 6.22 | 0.354 |
| BMI Z score | 0.40 ± 0.55 | -0.22 ± 0.49 | 0.034* |
| Shwachman score† | 95.71 ± 3.54 | 87 ± 10.17 | 0.093 |
| FEV1 Z score‡ | 0.21 ± 1.38 | -2.59 ± 2.09 | 0.011* |
| FEV1/FVC Z score‡ | -0.18 ± 1.1 | -1.34 ± 1.34 | 0.102 |
| FEF25-75 Z score‡ | 0 ± 1.34 | -2.4 ± 1.74 | 0.013* |
| AHI | 1.33 ± 1.73 | 1 ± 1.82 | 0.715 |
| OAHI | 0.77 ± 1.39 | 1 ± 1.82 | 0.786 |
| Mean SpO2§ | 96.77 ± 1.09 | 94.16 ± 2.78 | 0.071 |
| SpO2 nadir | 88.88 ± 3.33 | 90.28 ± 4.78 | 0.502 |
| Mean NREM EtpCO2|| | 33 ± 2.77 | 37 ± 1.41 | 0.024* |
| Mean REM EtpCO2|| | 34.12 ± 2.64 | 37 ± 1.15 | 0.068 |
| Peak sleep EtpCO2‡ | 41 ± 2.44 | 43.66 ± 4.41 | 0.173 |
*
Significance cutoff (p)<0.05;
†
n=7 without and 6 with chronic airway colonization by Pseudomonas aeruginosa (PA);
‡
n=8 without and 6 with PA;
§
n=6 with PA;
||
n=8 without and 4 with PA.
SD=standard deviation; BMI=body mass index; FVC=forced vital capacity; FEV1=forced expiratory volume in one second; FEF25-75=forced expiratory flow from 25% to 75% of FVC; AHI=apnea-hypopnea index; OIAH=obstructive AHI index - without central apneas; SpO2=oxyhemoglobin saturation; EtpCO2=end-tidal carbon dioxide; NREM=non rapid eye movement (REM) stage.