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The CPIS presented a good performance for diagnosis with a ROC-AUC of 0.94 (95%% CI: 0.86 1.0) at the day of diagnosis but was not discriminatory 3 days before (ROC-AUC: 0.64, 95%% CI: 0.37 0.87).
The CPIS was calculated after 48 hours for the diagnosis of VAP.
The CPIS score was classified as category 1, ≤6; category 2, 7 to 9; and category 3, ≥10.
The CPIS assessed at baseline was calculated retrospectively and did not differ significantly for patients with or without VAP.
The CPIS score was higher 1 week after day 1 in the absence of more VAP in treated patients.
The CPIS incorporates five variables: temperature (T°C), white blood cells (WBC), tracheal secretions, pO2/FiO2 and RX.
Similar(10)
The ultrasound diagnosis was more accurate than the simplified CPIS for the diagnosis of pneumonia, area under the curve (AUC) respectively 0.75 (95% CI [0.62; 0.87] vs 0.59 (95% CI [0.47; 0.71]).
The mean CPIS of the patients with tracheobronchitis was 5.0 (1.7) points and the median number of days on mechanical ventilation at the time of tracheobronchitis was five days (IQR = three to six).
The mean CPIS of the 15 patients in whom VAP was not confirmed was significantly lower (6.3 ± 2.1).
The mean CPIS value at the time of diagnosis was statistically higher than 48 and 24 hours before in all patients (4.9 ± 0.8 vs 7.5 ± 1.5, P < 0.05); in 14/15 patients it was ≥6 (PPV 93%).
The mean CPIS of these patients was 7.5 (1.6) points and the median number of days on mechanical ventilation at the time of VAP was 5.5 days (IQR = 3.0 to 7.7).
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