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. 2014 Sep 3;23(6):507–510. doi: 10.1159/000365355

Table 2.

MMO and VAS data

MMO
 VAS score
group 1 (n = 33) group 2 (n = 30) p group 1 group 2 p
Pretreatment MMO, mm Posttreatment MMO, mm 46.5 ± 8.2 46.3 ± 6.0 0.907 6.3 ± 2.1 6.9 ± 1.4 0.199
Posttreatment MMO, mm 48.7 ± 7.5 46.9 ± 5.7 0.289 3.0 ± 2.2 5.0 ± 1.5 0.000a
p 0.004b 0.010b 0.000b 0.000b
a

p < 0.05 in intergroup comparison

b

p < 0.05 in intragroup comparison. Group 1 = Ozone group; group 2 = medication group.