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. 2021 Mar 1;94(7):1627–1636. doi: 10.1007/s00420-021-01665-3

Table 6.

Comparison of physical and psychological symptoms between N95 mask and surgical mask

Physical and psychological symptoms N95 mask Surgical mask p
Headachea 0.001*
 No, n (%) 14 (41.2) 29 (85.3)
 Yes, n (%) 20 (58.8) 5 (14.7)
Dizzinessa 0.070
 No, n (%) 26 (76.5) 32 (94.1)
 Yes, n (%) 8 (23.5) 2 (5.9)
Palpitationa
 No, n (%) 25 (73.5) 34 (100.0)
 Yes, n (%) 9 (26.5) 0 (0.0)
Difficulty breathinga 0.001*
 No, n (%) 7 (20.6) 26 (76.5)
 Yes, n (%) 27 (79.4) 8 (23.5)
Drowsinessa 0.001*
 No, n (%) 18 (52.9) 32 (94.1)
 Yes, n (%) 16 (47.1) 2 (5.9)
Pins and needle
 No, n (%) 32 (94.1) 34 (100.0)
 Yes, n (%) 2 (5.9) 0 (0.0)
Muscle crampsa
 No, n (%) 34 (100.0) 33 (97.1)
 Yes, n (%) 0 (0.0) 1 (2.9)
Nausea
 No, n (%) 30 (88.2) 34 (100.0)
 Yes, n (%) 4 (11.8) 0 (0.0)
Vomitinga
 No, n (%) 33 (97.1) 34 (100.0)
 Yes, n (%) 1 (2.9) 0 (0.0)
Facial sweatinga 0.022*
 No, n (%) 16 (47.1) 25 (73.5)
 Yes, n (%) 18 (52.9) 9 (26.5)
Drowning sensea  < 0.001*
 No, n (%) 14 (41.2) 32 (94.1)
 Yes, n (%) 20 (58.8) 2 (5.9)
Facial itchinga 1.00c
 No, n (%) 25 (73.5) 26 (76.5)
 Yes, n (%) 9 (26.5) 8 (23.5)
Coughinga 0.125b
 No, n (%) 27 (79.4) 31 (91.2)
 Yes, n (%) 7 (20.6) 3 (8.8)
Sneezea 0.250b
 No, n (%) 30 (88.2) 33 (97.1)
 Yes, n (%) 4 (11.8) 1 (2.9)
Attention deficita  < 0.001*
 No, n (%) 17 (50.0) 29 (85.3)
 Yes, n (%) 17 (50.0) 5 (14.7)
Concentration difficultya  < 0.001*
 No, n (%) 13 (38.2) 28 (82.4)
 Yes, n (%) 21 (61.8) 6 (17.6)
Fatiguea  < 0.001*
 No, n (%) 13 (38.2) 29 (85.3)
 Yes, n (%) 21 (61.8) 5 (14.7)
Dying sensea 0.500b
 No, n (%) 31 (91.2) 33 (97.1)
 Yes, n (%) 3 (8.8) 1 (2.9)

*Statistical significance

aMcNemar test, α: 0.05

bBinomial distribution