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Table 2 Characteristics of subject number, MPV and study reports

From: Mean platelet volume levels in children with sleep-disordered breathing: a meta-analysis

Authors

Total subjects (n)

PSDB (n)

Controls (n)

MPV in PSDB

MPV in controls

Subjects with surgery (n)

MPV in post-surgery

Study reports

Kucur et al. [23]

205

105

100

8.25 ± 1.10

7.50 ± 0.90

105

7.75 ± 1.20

Significant decrease in adenoid hypertrophy *

Onder et al. [24]

61

61

NA

7.5 ± 1.07

NA

61

7.70 ± 0.80

Significant decreases in white blood cell levels and upper airway obstruction scores*

Soyalic et al. [25]

129

73

56

7.68 ± 1.07

7.21 ± 0.84

73

7.17 ± 0.97

Significant decreases in MPV level and platelet count*

Simsek et al. [26]

212

130

82

8.24 ± 0.94

7.76 ± 0.77

130

7.82 ± 0.93

Significant decreases in MPV, platelet distribution width, hemoglobin, and white blood cell*,a

Zicari et al. [27]

137

67

70

8.22 ± 0.95

7.57 ± 0.56

NA

NA

MPV levels were higher in PSDB

Erdim et al. [28]

83

45

38

7.93 ± 0.59b

8.05 ± 0.68c

7.72 ± 0.38

NA

NA

MPV levels were higher in PSDB

Barceló et al. [29]

152

87

65

7.40 ± 0.97

7.40 ± 0.95

NA

NA

No differences in MPV

  1. MPV expressed as mean ± SD in fL; MPV mean platelet volume, PSDB pediatric sleep breathing disorder, NA not available
  2. *P < 0.05, pre- vs. post-operation in PSDB patients; a Significant decreases after adenotonsillectomy were found, but no significant decreases after adenoidectomy were noted; b1 ≤ apnea-hypopenea index < 5 (n = 24); capnea-hypopenea index ≥5 (n = 21)