Table 3. Comparison of the MDRT among age groups.

MDRT (cm)	Mean difference (cm)
	Age Groups (years)	20–29	30–39	40–49	50–59	60–69	70–79
FR	20–29		0.06	0.78	0.74	5.55*	3.83
	30–39			0.72	0.68	5.49*	3.77
	40–49				0.04	4.78	3.06
	50–59					4.82	3.10
	60–69						1.72
BR	20–29		0.82	3.99	3.43	3.93	4.22
	30–39			3.17	2.61	3.11	3.40
	40–49				0.57	0.07	0.22
	50–59					0.50	0.79
	60–69						0.29
LR	20–29		3.06	0.23	0.44	2.41	2.28
	30–39			3.28	2.61	5.46**	5.34*
	40–49				0.67	2.18	2.05
	50–59					2.85	2.73
	60–69						0.12
RR	20–29		1.58	0.93	1.06	4.16*	4.31*
	30–39			2.51	2.63	5.73**	5.89**
	40–49				0.13	3.23	3.38
	50–59					3.10	3.26
	60–69						0.16

Abbreviations as in Table 2. * = significant difference at p-value < 0.05. ** = significant difference at p-value < 0.001