Evaluation of Serum Interleukin-33 Level in Iraqi Patients with and without Periodontal Disease

Figures & data

Table 1 Descriptive Statistics of Study Groups

Parameters		Patients N=50	Controls N=50	P- value
Age (Mean ± SD)		43.74 ± 4.448	41.82 ± 6.42	0.226
Gender (N. (%))	Male	39(78%)	36(72%)	0.638
	Female	11 (22%)	14 (28%)

Abbreviations: N, Number; SD, Standard Derivation; %, Percentage.

Table 2 Descriptive and Statistical Analysis of Periodontal Parameters of Study Groups

Parameters (Mean ± SD)	Patients N=50	Controls N=50	P- value
PLI	2.521 ± 0.430	0.361 ± 0.161	< 0.00001**
GI	1.946 ± 0.221	0.312 ± 0.166	< 0.00001**
BOP	77.52 ± 23.229	0.717 ± 0.34	< 0.00001**
PPD	5.669 ± 0.714	–	–
CAL	5.667±0.646	–	–

Note: **Highly Significant.

Abbreviations: PLI, Plaque Index; GI, Gingival Index; BOP, Bleeding On Probing; PPD, Probing Pocket Depth; CAL, Clinical Attachment Level

Table 3 Comparisons of IL-33 Level Between Study Groups

Parameter	Patients N=50	Controls N=50	Mann–Whitney U-test	P- value
IL-33	56.32±15.604	40.68±4.111	6.62255	< 0.00001**
Mean (min- max)	(36.25–136.32)	(33.74–49.40)

Note: **Highly Significant.

Abbreviations: Min, Minimum; Max, Maximum,

Table 4 Spearman Correlations Coefficients of IL-33 and Periodontal Parameters in Patients Group

Parameters\ IL-33	Coefficient of Correlation	P-value
PLI	0.276	0.049*
GI	0.373	0.006**
BOP	0.290	0.038*
PPD	0.134	0.345
CAL	0.162	0.255

Notes: *Significant, **Highly Significant.

Abbreviations: PLI, Plaque Index; GI, Gingival Index; BOP, Bleeding On Probing; PPD, Probing Pocket Depth; CAL, Clinical Attachment Level.