Prevalence of Hypothyroidism among Dialysis Patients in Palestine: A Cross-Sectional Study

Table 2

Association of patients’ characteristics with overt hypothyroidism and with SCH.

Characteristic	Euthyroid	Overt hypothyroidism	value	SCH	value
Age in years	59 (21)	62 (16)	0.498	58 (14)	0.879
Gender % (n)
Male	66.1% (113)	47.4% (9)	0.131	60% (9)	0.778
Duration of dialysis, (mo)	36 (54)	30 (39)	0.275	48 (72.0)	0.741
Weight, kg	74.5 (23.3)	76 (35.5)	0.785	67 (33.0)	0.622
Comorbidities, %
Diabetes	55% (77)	57.9% (11)	1	66.7% (10)	0.429
Hypertension	80.1 (137)	89.5% (17)	0.537	72.3% (11)	0.513
Cardiovascular disease	51.5% (88)	57.9% (11)	0.636	53.3% (8)	1
Heart failure	34.4% (44)	47.1% (8)	0.42	38.5% (5)	0.767
IHD	39.6% (55)	35.7% (5)	1	38.5% (5)	1
Smoker	28.7% (49)	10.5% (2)	0.107	6.7% (1)	0.074
Laboratory tests
Albumin, serum (g/dL)	3.83 (44)	3.81 (60)	0.332	3.9 (.65)	0.676
Creatinine, serum (mg/dL)	8.35 (3.55)	6.84 (3.37)	0.011	374.1 (3.72)	0.388
Ferritin (ng/ml)	538.8 (413.8)	522.2 (452.7)	0.457	650.8 (374.1)	0.596
Hemoglobin (g/dL)	11 (1.6)	10.4 (1.8)	0.123	10.8 (1.67)	0.434
Ca, serum (mg/dL)	9.18 (0.92)	9.52 (0.69)	0.292	9.14 (1.06)	0.7
Bicarbonate, (mEq/L)	20.5 (3.4)	21.5 (4.6)	0.878	18.4 (3.3)	0.009
P, serum (mg/dL)	4.44 (1.88)	4.48 (2.81)	0.972	5 (2.34)	0.785
PTH, (pg/mL)	304.4 (379.87)	356.2 (222.3)	.588	324.7 (246.8)	0.730
BUN, serum (mg/dL)	52.05 (13.78)	48.7 (17)	0.408	58 (25.2)	0.289
Potassium (mEq/L)	5.06 (1.07)	4.99 (73)	0.518	5.29 (.83)	0.216
Sodium (mEq/L)	138 (4)	139 (3.00)	0.256	138 (2)	0.926
Chloride (mg/dl)	97.4 (4.74)	98.3 (3.30)	0.459	98 (3.10)	0.440

Median (interquartile range). Corrected for albumin; P, phosphate; PTH, parathyroid hormone; Ca, calcium; BUN, blood urea nitrogen; SCH, subclinical hypothyroidism; IHD, ischemic heart disease.