Table 1.

The summary of investigations performed to evaluate secondary causes of osteoporosis.

Blood tests	Patient	Reference range
Free thyroxine (pmol/L)	12.16	10–20
Thyroid stimulating hormone (mIU/L)	0.733	0.4–4
Albumin (g/L)	39	37–51
Haemoglobin (g/dL)	12.8	13–17
Creatinine (μmol/L)	59	65–125
25-Hydroxy vitamin D (μg/L)	10.7
Calcium (mmol/L)	2.23	2.1–2.6
Phosphate (mmol/L)	1.3	0.65–1.65
Parathyroid hormone (pmol/L)	6.55	1.3–7.6
Alkaline phosphatase (U/L)	94	32–103
Total testosterone (nmol/L)	11.65	9.9–27.8
24-Hour urine free cortisol (nmol/day)	245	59–413
Urine calcium (mmol/L)	0.3	<0.6