Biological age as a useful index to predict seventeen-year survival and mortality in Koreans

Yoo, Jinho; Kim, Yangseok; Cho, Eo Rin; Jee, Sun Ha

doi:10.1186/s12877-016-0407-y

BMC Geriatrics

Table 2 Average and standard deviation of AgeDiff according to gender and chronological age subgroup at the baseline survey

From: Biological age as a useful index to predict seventeen-year survival and mortality in Koreans

		Men			Women			Total
Subject	Chronological age subgroups	N	Mean ± SD	p value	N	Mean ± SD	p value	N	Mean ± SD	p value
Alive	20-39	125,149	0.00 ± 1.65	-	97,771	0.00 ± 1.87	-	222,920	0.00 ± 1.75	-
	40-49	104,011	−0.01 ± 1.77	-	65,572	0.00 ± 2.00	-	169,583	−0.01 ± 1.86	-
	50-59	53,618	−0.03 ± 1.73	-	49,006	−0.01 ± 1.95	-	102,624	−0.02 ± 1.84	-
	≥60	24,793	−0.06 ± 1.57	-	24,914	−0.03 ± 1.72	-	49,707	−0.05 ± 1.65	-
	Total	307,571	−0.01 ± 1.70	-	237,263	−0.01 ± 1.91	-	544,834	−0.01 ± 1.79	-
Deceased by cancer	20-39	296	−0.03 ± 1.84	0.722⁽¹⁾	210	0.30 ± 2.37	0.021⁽¹⁾	506	0.1 ± 2.08	0.183⁽¹⁾
	40-49	948	0.20 ± 1.77	<0.001⁽¹⁾	324	0.11 ± 2.02	0.319⁽¹⁾	1,272	0.18 ± 1.83	<0.001⁽¹⁾
	50-59	1,700	0.34 ± 1.73	<0.001⁽¹⁾	652	0.19 ± 1.93	0.008⁽¹⁾	2,352	0.3 ± 1.79	<0.001⁽¹⁾
	≥60	2,272	0.15 ± 1.48	<0.001⁽¹⁾	848	0.10 ± 1.75	0.039⁽¹⁾	3,120	0.14 ± 1.56	<0.001⁽¹⁾
	Total	5,216	0.21 ± 1.64	<0.001⁽¹⁾	2,034	0.15 ± 1.92	<0.001⁽¹⁾	7,250	0.20 ± 1.72	<0.001⁽¹⁾
Deceased by non-cancerous disease	20-39	253	0.16 ± 2.09	0.258⁽²⁾	83	0.76 ± 2.60	0.024⁽²⁾	336	0.31 ± 2.24	0.024⁽²⁾
Deceased by non-cancerous disease	40-49	655	0.74 ± 1.96	<0.001⁽²⁾	142	0.77 ± 2.41	<0.001⁽²⁾	797	0.75 ± 2.05	<0.001⁽²⁾
	50-59	990	0.83 ± 1.99	<0.001⁽²⁾	423	0.89 ± 2.38	<0.001⁽²⁾	1,413	0.85 ± 2.11	<0.001⁽²⁾
	≥60	2,163	0.52 ± 1.67	<0.001⁽²⁾	1,147	0.57 ± 1.87	<0.001⁽²⁾	3,310	0.53 ± 1.74	<0.001⁽²⁾
	Total	4,061	0.61 ± 1.83	<0.001⁽²⁾	1,795	0.67 ± 2.08	<0.001⁽²⁾	5,856	0.63 ± 1.91	<0.001⁽²⁾
Deceased by cancer and non-cancerous disease	20-39	549	0.06 ± 1.96	0.423⁽³⁾	293	0.43 ± 2.44	<0.001⁽³⁾	842	0.19 ± 2.14	0.020⁽³⁾
Deceased by cancer and non-cancerous disease	40-49	1,603	0.42 ± 1.87	<0.001⁽³⁾	466	0.31 ± 2.17	0.001⁽³⁾	2,069	0.40 ± 1.94	<0.001⁽³⁾
	50-59	2,690	0.52 ± 1.84	<0.001⁽³⁾	1,075	0.47 ± 2.14	<0.001⁽³⁾	3,765	0.51 ± 1.93	<0.001⁽³⁾
	≥60	4,435	0.33 ± 1.58	<0.001⁽³⁾	1,995	0.37 ± 1.83	<0.001⁽³⁾	6,430	0.34 ± 1.66	<0.001⁽³⁾
	Total	9,277	0.39 ± 1.74	<0.001⁽³⁾	3,829	0.39 ± 2.02	<0.001⁽³⁾	13,106	0.39 ± 1.82	<0.001⁽³⁾

AgeDiff biological age – chronological age
p value ⁽¹⁾ computed using two sample t test, between alive subjects and deceased subjects by cancer
p value ⁽²⁾ computed using two sample t test, between alive subjects and deceased subjects by non-cancerous disease
p value ⁽³⁾ computed using two sample t test, between alive subjects and deceased subjects by cancer and non-cancerous disease

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