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. 2025 Apr 20;14(8):2839. doi: 10.3390/jcm14082839

Table 3.

Comparative analysis of auditory and audiovisual groups of first-aid performance for infant choking.

Assessment Items Auditory
(n = 40)
Audiovisual
(n = 39)
p-Value
Adequacy of ① Infant position 31 (77.5%) 39 (100.0%) 0.002
② Supporting arm posture 12 (30.0%) 27 (69.2%) <0.001
③ Hand posture of the supporting arm 10 (25.0%) 15 (38.5%) 0.233
④ Head tilt 12 (30.0%) 39 (100.0%) <0.001
⑤ Location of back blows 22 (55.0%) 31 (79.5%) 0.138
⑥ Number of back blows 29 (72.5%) 34 (87.2%) 0.105
⑦ Hand part for back blows 19 (47.5%) 31 (79.5%) 0.009
⑧ Location of chest thrusts 32 (80.0%) 30 (76.9%) 0.136
⑨ Number of chest thrusts 40 (100.0%) 34 (87.2%) 0.026
⑩ Repeating two maneuvers 36 (90.0%) 38 (97.4%) 0.175
Instruction Performance score 6.13 ± 2.27 8.15 ± 1.31 <0.001
Time to first back blow 52.88 ± 12.56 53.05 ± 10.95 0.498
Time to finish the first cycle 77.38 ± 14.03 112.58 ± 144.38 0.118
Time from the second to the third cycle * 19.31 ± 4.40 22.29 ± 4.64 0.332
Time to finish the third cycle * 112.53 ± 17.99 128.76 ± 17.64 0.332

* The analysis was conducted on the auditory (n = 36) and audiovisual (n = 38) groups, excluding cases in which the two maneuvers were not performed repeatedly.