Question: is this a 2) strong advice, 1) weak advice 0) no advice?

There was no significant difference in bone mineral density (z score -0.31 v -0.77), serum calcium (2.30 v 2.26 mmol/l), 25-hydroxyvitamin D (19.7 v 23.7 nmol/l), parathyroid hormone (2.6 v 3.1 pmol/l), or dietary calcium intake (1021.0 v 1033.0 mg/day) in patients with fracture compared with those without fracture. 
user
This is no advice
assistant