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. 2017 May 26;17:68. doi: 10.1186/s12871-017-0362-y

Table 1.

Results of “Scenario A”

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