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. 2022 Jun 24;17(6):e0270206. doi: 10.1371/journal.pone.0270206

Table 2. Comparison of pH values.

Preparation pH on day 0 (mean ± SD) pH on day 90 (mean ± SD) Mean difference (pH units)
Mortar—Original capsules 5.39 ± 0.02 5.95 ± 0.01 0.56
Mortar—Generic capsules 4.18 ± 0.01 5.61 ± 0.00 1.53
Mortar—Powder 4.21 ± 0.05 5.62 ± 0.02 1.41
Mixer—Powder 4.26 ± 0.02 5.88 ± 0.14 1.62
QuartetRx—Original capsules 5.45 ± 0.00 5.92 ± 0.01 0.47
QuartetRx—Generic capsules 4.48 ± 0.01 5.55 ± 0.01 1.07