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. 2023 Dec 29;281(3):1401–1407. doi: 10.1007/s00405-023-08386-y

Table 2.

The demographic data of the three groups with comparative analysis

Sniffing group (A)a Simple extension group (B)a Hyperextension group (C)a Test value P value Sig.
No. = 25 No. = 25 No. = 25
Age
 Mean ± SD 39.64 ± 11.11 38.80 ± 11.09 38.48 ± 11.70 0.070b 0.932 NS
 Range 24–63 23–62 22–62
Gender
 Male 16 (64.0%) 15 (60.0%) 11 (44.0%) 2.273 0.321 NS
 Female 9 (36.0%) 10 (40.0%) 14 (56.0%)
Mallampati
 I 19 (76.0%) 12 (48.0%) 17 (68.0%) 4.514 0.105 NS
 II 6 (24.0%) 13 (52.0%) 8 (32.0%)

P value > 0.05: Non-significant (NS)

aChi-square test

bOne Way ANOVA test