Table 1 Data annotation statistics. (source: authors’ data).

From: Deep learning to assess laryngoscope insertion depth during neonatal intubation with video laryngoscopy

Insertion depth

Number of annotated frames

Average number of frames per video

Average duration per video (sec)

Shallow

74300

542.42

18.08

Glottic Zone

216553

1640.55

54.68

Deep

8102

61.38

2.04

All

298,955

2264.81

75.49