Calcium intake in elderly patients with hip fractures

Figures & data

Figure 1.  Total daily calcium intake in 120 hip fracture patients during 2002–2005.

Table 1. Demographic, biochemical and calcium intake data in elderly patients with hip fractures through 2002–2005

Year	2002 (n=20)			2003 (n=20)			2004 (n=20)			2005 (n=60)
Gender	Female 80% (16)	Male 20% (4)	Total	Female 65% (13)	Male 35% (7)	Total	Female 90% (18)	Male 10% (2)	Total	Female 83% (50)	Male 17% (10)	Total
Age (years)	77.1±7.6	80.8±7.3	77.8±7.5	72.4±8.6	70.6±11.6	71.8±9.5	78.8±10.3	82.5±2.1	78.8±9.8	79.8±7.0	78.9±6.9	79.6±7.1
BMI (kg/m^2)	24.2±3.4	25.9±3.8	24.7±3.4	23.2±4.0	22.75±3.3	23.1±3.7	22.2±39.0	22.5±5.7	22.2±36.5	23.4±3.8	22.3±3.6	23.2±3.8
Hb (g/l)	119±13	136±28	124±19	125±11	122±13	124±11	122±16	135±11	122±16	125±17	130.2±7.6	125.8±15.9
P-Albumin (g/l)	34.7±4.2	33.8±3.9	34.4±4.0	37.3±4.8	37±1.7	37.3±4.4	37.1±3.4	40.5±4.9	37.1±3.6	36.9±3.6	35.7±4.6	36.7±3.8
P-CRP (g/l)	27.8±32.3	49.4±59.0	29.1±42.2	28.8±38.0	42.0±15.7	39.4±32.9	25.1±26.5	10±0	22.9±26.0	15.8±17.5	10.8±14.0	14.9±16.9
P-Ca (mmol/l)	2.3±0.1	2.4±0.1	2.4±0.1	2.3±0.1	2.4±0.1	2.4±0.1	2.4±0.1	2.2±0.0	2.4±0.1	2.2±0.1	2.2±0.1	2.2±0.1
P-Ca/alb (mmol/l)	2.4±0.1	2.5±0.1	2.4±0.1	2.4±0.1	2.2±0.6	2.3±0.3	2.4±0.1	2.3±0.0	2.4±0.1	2.3±0.1	2.2±0.1	2.3±0.1
Ca via food (mg)	814±247	850±464	822±292	792±457	757±223	779±380	706±246	800±141	715±236	594±278	640±220	602±285
Ca via suppl (mg)	536±237	375±250	500±243	250±261	714±393	421±382	268±452	0.0	268±452	224±369	0.0	185±346
Ca total (mg)	1,350±263	1,225±246	1,322±263	1, 042±560	1,471±457	1, 200±554	974±521	800±141	983±495	818±491	640±220	787±459
Ca S/T (%)	39.6	30.6	37.8	24.0	48.5	35.1	27.5	0.0	27.3	27.4	0.0	23.5

Data given as mean±SD. BMI = body mass index (kg/m²). CRP = C-reactive protein. P-Ca/alb = plasma calcium concentration corrected for albumin. Ca S/T% = calcium intake from supplementation in relation to total intake.

Table 2. Mean values of study variables in 120 elderly patients with hip fractures

	Total (n=120)
Gender	Female 81% (97)	Male 19% (23)	Total
Age±SD	78.68±8.2	76.5±7.3	77.9±8.5
BMI±SD	23.2±3.7	23.0±3.4	23.1±4.0
P-Hb (g/l)±SD	123.9±15.4	128.6±16.6	124.7±15.4
P-Albumin (g/l)±SD	36.9±3.9	35.4±4.3	36.6±3.9
P-CRP (g/l)±SD	21.1±26.7	31.7±29.9	23.1±27.1
P-Ca (mmol/l)±SD	2.3±0.1	2.3±0.1	2.3±0.1
P-Ca/alb. (mmol/l±SD)	2.3±0.1	2.3±0.3	2.3±0.2
Ca via food (mg)±SD	677±314	719±206	685±306
Ca via suppl (mg)±SD	277±367	309±414	283±371
Ca total (mg)±SD	954±501	1,028±474	968±501
Ca S/T (%)	29.0	30.1	29.2

Figure 2.  Mean calcium intake by food and supplementation in men and women with hip fractures from 2002 to 2005.