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Table 3 Average OPA (titer) by cohort: both visits (Visit 1 and Visit 2) combined

From: Neutrophil killing of Staphylococcus aureus in diabetes, obesity and metabolic syndrome: a prospective cellular surveillance study

Cohort

Subset

Poorly-controlled diabetes mellitus (N = 14)

Well-controlled diabetes mellitus (N = 12)

Morbid obesity (N = 12)

Obese with metabolic syndrome (N = 20)

Obese without metabolic syndrome (N = 20)

Control (N = 12)

High titer sera

 N, % RSD

14, 84.23

12, 54.00

12, 187.7

18, 197.2

20, 427.0

12, 89.48

 Mean, median

24,968, 28,580

27,569, 30,114

13,422, 20,032

17,408, 21,465

12,036, 23,405

13,014, 13,094

 95% CI

5133, 121,462

9056, 83,928

898, 200,545

1220, 248,333

329, 440,071

2406, 70,391

Medium titer sera

 N, % RSD

14, 26.81

12, 85.08

12, 44.84

20, 81.37

20, 106.0

12, 25.00

 Mean, median

1262, 1222

1434, 1366

1109, 1135

1204, 1089

1224, 1363

1001, 1013

 95% CI

714, 2230

283, 7276

432, 2844

271, 5351

199, 7529

582, 1722

Low titer sera

 N, % RSD

14, 88.09

12, 40.61

12, 26.80

20, 93.19

20, 54.46

12, 65.10

 Mean, median

87.3, 66.4

69.1, 63.4

59.7, 50.0

79.8, 55.4

77.5, 66.1

77.3, 63.8

 95% CI

17.0, 448.9

29.2, 163.3

33.4, 106.5

15.2, 417.4

26.7, 225.1

20.9, 286.1

  1. CI confidence interval, OPA opsonophagocytic assay, RSD relative standard deviation