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Table 6 Sensitivity, specificity, and likelihood ratio for use of combined anthropometric indicators in detecting vertebral deformities.

From: Use of anthropometric indicators in screening for undiagnosed vertebral fractures: A cross-sectional analysis of the Fukui Osteoporosis Cohort (FOC) study

Criteria for positive results

No. of subjects with:

Sensitivity (95% CI)

Specificity (95% CI)

LR (95% CI)

 

TP

FN

TN

FP

   

AHD positive1

17

3

50

46

0.85 (0.69, 1.01)

0.52 (0.42, 0.62)

1.77 (1.71, 1.85)

WOD positive2

14

6

64

32

0.70 (0.50, 0.90)

0.67 (0.57, 0.76)

2.10 (1.93, 2.28)

AHD positive and WOD positive

13

7

78

18

0.65 (0.44, 0.86)

0.81 (0.73, 0.89)

3.47 (3.01, 3.99)

AHD positive or WOD positive

18

2

36

60

0.90 (0.77, 1.03)

0.38 (0.28, 0.47)

1.44 (1.41, 1.47)

  1. TP: True positive, FN: False negative, TN: True negative, FP: False positive
  2. LR: Likelihood ratio for a positive result
  3. 95% CI: 95% confidence interval, AHD: Arm span-height difference
  4. WOD: Wall-occiput distance, AHD positive: ≥ 4.0 cm, WOD positive: ≥ 5 mm
  5. 1AHD positive: AHD positive, and WOD positive or negative.
  6. 2WOD positive: WOD positive, and AHD positive or negative.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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