. 2018 Mar;4(1):18–23. doi: 10.18502/cmm.4.1.30

Table 4.

Comparison of the signs in the two groups between the first and second visits

Variable	Sub-group	Case				Control
Variable	Sub-group	First visit	Second Visit	*P-value*	Differences between the first and second visits	First visit	Second Visit	*P-value*	Differences between the first and second visits
Swelling and inflammation	Yes	33 (73.3%)	4 (8.9%)	< 0.001	-0.64±0.48 (-1)^*	32 (76.2%)	14 (33.3%)	< 0.001	-0.42±0.5 (0)
Swelling and inflammation	No	12 (26.7%)	41 (91.1%)	< 0.001	-0.64±0.48 (-1)^*	10 (23.8%)	28 (66.7%)	< 0.001	-0.42±0.5 (0)
Secretion	Yes	33 (77.3%)	3 (6.7%)	< 0.001	-0.66±0.47 (-1)^*	41 (97.6%)	35 (83.3%)	< 0.031	0.14±0.33 (0)
Secretion	No	12 (26.7%)	42 (93.3%)	< 0.001	-0.66±0.47 (-1)^*	1 (2.4%)	7 (16.7%)	< 0.031	0.14±0.33 (0)

There was a significant difference between the symptoms of the patients in the case and control groups at the level of α=0.05