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Table 2 ABGs and laboratory parameters on admission among all studied groups

From: Platelet count as a predictor of outcome of hospitalized patients with community-acquired pneumonia at Zagazig University Hospitals, Egypt

Parameter Group One-way ANOVA p value
Group I (n = 15) Group II (n = 202) Group III (n = 33)
Arterial pH 7.39 ± 0.07 7.43 ± 0.07 7.43 ± 0.06 2.832 0.06
PaO2, mmHg 58.6 ± 14.1 63.6 ± 12.2 61.3 ± 9.8 1.586 0.21
PaO2/FIO2 305.3 ± 50.6 345.9 ± 38.0 335.8 ± 41.4 5.474 0.005a
WBCs × 103/mm3 10.79 ± 2.8 14.47 ± 3.9 17.40 ± 5.3 14.137 < 0.001b
Prothrombin time, s 15.3 ± 2.1 12.5 ± 1 11.6 ± 1.2 15.091 < 0.001a
Serum urea, mg/dl 39.7 ± 11.4 27.1 ± 7.7 22.6 ± 6.7 9.432 < 0.001a
Serum albumin, g/dl 2.9 ± 0.5 3.2 ± 0.4 3.2 ± 0.5 4.183 0.016a
  1. Group I, thrombocytopenia; group II, normal platelet count; group III, thrombocytosis
  2. ABGS arterial blood gases, PaO2 partial arterial oxygen pressure, FIO2 fraction of inspired oxygen, WBCS white blood cells
  3. aDifference between group I and other groups
  4. bDifference between group III and other groups