Table 1.
Scenario A | DL (n = 50) | ID (n = 50) | KV (n = 50) | AT (n = 50) | VT (n = 50) |
---|---|---|---|---|---|
Number of attempts (n, 1/2/3) | 49/1/0 | 50/0/0 | 50/0/0 | 48/2/0 | 50/0/0 |
Laryngoscopy time (s) | 9.46 [6.95–12.87]†¶ | 11.7 [9.11–15.1]†§¶ | 6.91 [5.59–10.1]*# | 8.01 [6.21–10.2]#¶ | 5.87 [4.77–7.97]*#§ |
Tube insertion time (s) | 4.98 [4.01–7.02]§ | 6.70 [5.49–9.47]†§¶ | 4.61 [2.81–6.27] #§ | 3.04 [2.36–4.16]*#† | 3.90 [2.20–7.07]# |
Intubation time (s) | 15.3 [11.92–20.5]§¶ | 19.7 [15.2–25.8]†§¶ | 12.7 [9.35–17.8]# | 11.2 [8.7–14.04]*# | 10.5 [7.55–14.3]*# |
POGO (%) | 80 [60, 80]†§¶ | 77.5 [60–90]†§¶ | 90 [83.75–95]*# | 90 [80–95]*# | 95 [90–100]*# |
Ease of technical use (1–5) | 3 [2–4]†§¶ | 3 [2–4]†§¶ | 1 [1–2]*# | 2 [1–3]*#†¶ | 1 [1–2]*#§ |
Ease of physical use (1–5) | 4 [3–4]†§¶ | 3 [3–4]†§¶ | 1 [1–2]*# | 2 [1–2]*#¶ | 1 [1–2]*#§ |
Willingness of reuse (1–5) | 4 [3–5]† | 3 [2–4]†¶ | 5 [4–5]*#§ | 4 [3–5]†¶ | 5 [3–5]#§ |
Use of bougie (n) | 0# | 4*†§¶ | 0# | 0# | 0# |
Use of stylet (n) | 1 | 3 | 0 | 0 | 0 |
Dental injury (n) | 26#†§¶ | 16*†§¶ | 7*# | 5*#¶ | 10*#§ |
Esophageal intubation (n) | 0 | 0 | 0 | 0 | 0 |
Data are reported as the median [IQR] or as numbers (n)
AT Airtraq®, DL Direct laryngoscope (Macintosh), ID Custom-made, improvised laryngoscope, KV King Vision®, POGO Percent of Glottic Opening, VT VividTrac®
*Significant difference (P < 0.05) compared to DL; #Significant difference (P < 0.05) compared to ID; †Significant difference (P < 0.05) compared to KV; §Significant difference (P < 0.05) compared to AT; ¶Significant difference (P < 0.05) compared to VT