Table 3

Incidence rates and HRs of osteoporosis risk in patients with different types of stroke

VariablesOsteoporosisPY*Rate†IRR (95% CI)‡Adjusted HR (95% CI)§
Without stroke5830408 189.5014.281.00 (reference)1.00 (reference)
Stroke type
 Haemorrhagic3039446.1032.082.25 (2.00 to 2.52)***2.06 (1.83 to 2.33)***
 Ischaemic123437 176.3933.192.32 (2.19 to 2.47)***1.77 (1.65 to 1.89)***
Surgery
 Non-received149444 964.8033.232.33 (2.19 to 2.46)***1.81 (1.69 to 1.94)***
 Received431657.6825.941.82 (1.35 to 2.45)***2.08 (1.54 to 2.81)***
  • ***p<0.001.

  • †Incidence rate in per 1000 person-years.

  • ‡IRR in per 1000 person-years.

  • §Model adjusted for age, sex, relevant comorbidities and medication.

  • IRR, incidence rate ratio; PY, person-years.