Telomere Length in Elderly Caucasians Weakly Correlates with Blood Cell Counts

Table 1

The characteristics of study group and its comparison with the group without assessment of telomere lengths and peripheral blood count.

	Study group		Group not included		Statistical significance
	Men	Women	Men	Women	Men versus men	Women versus women
	(𝑁=810)	(𝑁=763)	(𝑁=1756)	(𝑁=1649)
Age (years)	79.2±8.5	78.1±8.6	79.6±8.6	79.7±8.9	Ns	𝑃<0.001
BMI (kg/m^2)	27.3±4.5	29.1±5.4	27.4±4.5	28.8±5.6	Ns	Ns
Smoking status (𝑛 (%))
Never	258 (31.9)	610 (79.9)	579 (33.0)	1354 (82.1)	Ns	Ns
Former	551 (68.0)	148 (19.4)	1169 (66.6)	282 (17.1)	Ns	Ns
Active	118 (14.6)	38 (5.0)	228 (13.0)	65 (3.9)	Ns	Ns
Pack-years	34.5±26.0	21.8±20.8	36.9±26.8	22.3±18.6	Ns	Ns
Red blood cells (10^6/𝜇L)	4.6±0.5	4.4±0.5	4.6±0.5	4.4±0.5	Ns	Ns
Hematocrit (%)	41.8±4.8	39.8±4.0	41.7±4.6	39.4±4.8	Ns	Ns
Hemoglobin (g/dL)	14.0±1.6	13.4±1.3	14.0±1.5	13.2±1.4	Ns	Ns
MCV (fL)	90.7±5.8	89.7±5.6	91.1±6.1	89.5±6.5	Ns	Ns
MCH (pg)	30.6±2.3	30.0±2.0	30.7±2.1	29.9±2.4	Ns	Ns
White blood cells (10^3/𝜇L)	6.8±3.5	6.3±1.8	6.7±4.3	6.4±2.1	Ns	Ns
Neutrophils (10^3/𝜇L)	3.9±1.3	3.7±1.4	3.9±1.3	3.7±1.3	Ns	Ns
Eosinophils (10^3/𝜇L)	0.3±0.3	0.2±0.2	0.3±0.3	0.2±0.2	Ns	Ns
Basophils (10^3/𝜇L)	0.05±0.08	0.05±0.05	0.04±0.04	0.04±0.06	Ns	Ns
Monocytes (10^3/𝜇L)	0.5±0.2	0.4±0.2	0.5±0.2	0.5±0.2	Ns	Ns
Lymphocytes (10^3/𝜇L)	2.0±0.8	2.1±0.9	2.0±0.7	2.0±0.8	Ns	Ns
Platelets (10^3/𝜇L)	208.7±77.0	234.5±67.0	209.8±73.7	232.2±75.9	Ns	Ns
Fe (𝜇g/mL)	98.1±35.3	86.6±28.4	97.4±34.6	88.1±30.8	Ns	Ns
Ferritin (ng/mL)	251.5±220.4	178.5±133.5	255.6±221.4	166.9±150.6	Ns	Ns
Vitamin B12 (𝜇g/mL)	274.5±166.3	307.7±449.0	292.4±228.1	305.6±271.8	Ns	Ns
Folic acid (ng/mL)	4.6±4.6	5.2±4.8	4.6±4.2	5.3±5.3	Ns	Ns
eGFR (mL/min/1.73 m^2)	69.6±16.7	67.8±17.6	69.9±17.6	67.8±17.7	Ns	Ns
CRP (mg/L)	5.0±8.4	4.7±7.3	5.1±9.0	4.6±7.5	Ns	Ns
Uric acid (mg/dL)	5.7±1.5	5.3±1.5	5.8±1.6	5.2±1.5	Ns	Ns
25-(OH)-D3 (ng/mL)	42.0±23.1	35.9±20.3	42.0±23.6	36.5±21.1	Ns	Ns
Testosterone (ng/mL)	4.4±2.0	0.3±0.3	4.4±2.2	0.3±0.3	Ns	Ns
NSAIDs (𝑛 (%))	85 (10.5)	132 (17.3)	183 (10.4)	261 (15.8)	Ns	Ns

Ns: not significant; NSAID: nonsteroidal anti-inflammatory drugs.