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. 2017 Sep 4;61(5):447–454. doi: 10.1590/2359-3997000000286

Table 4. Progression of serum calcium levels according to group/symptoms.

IV.1 – Progression of serum calcium levels according to groups
Measurement Group I (n = 27) Group II (n = 20) Time Effect Group Effect


Mean Standard deviation Median Mean Standard deviation Median
Preop 1.16 0.07 1.20 1.22 0.09 1.22 - -
POi 1.09 0.09 1.09 1.16 0.08 1.16 < 0.0001 0.0013
PO7 1.10 0.11 1.12 1.17 0.16 1.21 0.0087 0.0028
PO90 1.12 0.12 1.14 1.17 0.14 1.21 0.0448 0.0088
PO180 1.13 0.17 1.14 1.20 0.12 1.23 0.4771 0.0056

IV.2 – Progression of serum calcium according to symptoms.

Measurement Asymptomatic (n = 33) Symptomatic (n = 14) Time Effect Group Effect


Mean Standard deviation Median Mean Standard deviation Median

              0.0001 < 0.0001
Preop 1.20 0.09 1.20 1.17 0.08 1.20 - -
POi 1.16 0.07 1.16 1.04 0.07 1.06 < 0.0001 0.0005
PO7 1.17 0.09 1.18 1.02 0.17 1.05 0.0007 0.0016
PO90 1.18 0.11 1.20 1.05 0.14 1.06 0.0077 0.0022
PO180 1.19 0.12 1.22 1.08 0.19 1.13 0.2490 0.0102

ANOVA for repeated measures. Preop: preoperative; Poi: immediate postoperative; PO7: 7 days after surgery; PO90: 90 days after surgery; PO180: 180 days after surgery.