Table 2 Total number of annotations containing each class in the real-world dataset, controlled-setting dataset, and combined (controlled-setting and real-world) dataset on which SLeeP AIDePt-2 was traineda.

From: Transitioning sleeping position detection in late pregnancy using computer vision from controlled to real-world settings: an observational study

Class description

Real-world datasetb

Controlled-setting datasetb

Combined datasetb

Left recovery

576 (1.7)

418 (3.4)

994 (2.1)

Left lateral

3426 (9.9)

530 (4.3)

3956 (8.4)

Left tilt

475 (1.4)

410 (3.3)

885 (1.9)

Supine

3142 (9)

702 (5.7)

3844 (8.2)

Supine thorax with left pelvic tilt

343 (1)

533 (4.3)

876 (1.9)

Supine thorax with right pelvic tilt

351 (1)

574 (4.7)

925 (2)

Supine pelvis with left thorax tilt

51 (0.1)

362 (2.9)

413 (0.9)

Supine pelvis with right thorax tilt

44 (0.1)

343 (2.8)

387 (0.8)

Right tilt

455 (1.3)

345 (2.8)

800 (1.7)

Right lateral

3113 (9)

540 (4.4)

3653 (7.8)

Right recovery

695 (2)

421 (3.4)

1116 (2.4)

Prone

536 (1.5)

0 (0)

536 (1.1)

Sitting up at the edge of the bed

347 (1)

459 (3.7)

806 (1.7)

Pillow

21175 (61)

6635 (54.1)

27810 (59.2)

Total number of annotations

34,729

12,272

47,001

Average # of annotations per class

2481

877

3357

  1. aBecause of rounding, percentages may not total 100.
  2. bData in the column is displayed as Number (percent).