Adler 20081 | Inappropriate comparison – study compares different types of surgery |
Agus 19932 | An opinion piece |
Alhava 19883 | Non-comparative before and after study |
Almqvist 20025 | No relevant outcomes |
Almqvist 20044 | Inappropriate comparison. Incorrect interventions. Comparison of different timings of surgery. |
Alvarez-Allende 20146 | Conference abstract |
Anonymous 20009 | Not a primary study – article |
Anonymous 20008 | Not a primary study – article |
Barkun 200610 | Commentary of an included RCT |
Blanchard 201412 | Non-comparative before and after study |
Bollerslev 200914 | No relevant outcomes |
Bonzelaar 201615 | Conference abstract |
Britton 197116 | Non-comparative study |
Brothers 198717 | Non-comparative study |
Broulik 201118 | Non-comparative before and after study |
Bruining 198119 | Non-comparative study |
Burney 199620 | Non-comparative study |
Burney 199821 | Non-comparative study |
Calo 201622 | Inappropriate comparison |
Carneiro-pla 200723 | Non-comparative study (all patients underwent surgery) |
Chen 199824 | Non-comparative study |
Cheng 201525 | Systematic review. Screened for relevant references. |
Chigot 199526 | Non-comparative study (all patients underwent surgery) |
Cowie 198228 | Incorrect study design – case series |
D’Andrea 199629 | Non-comparative study (all patients underwent surgery) |
Diaz-Guerra 201531 | Conference abstract |
Dy 201232 | Non-comparative study (all patients underwent surgery) |
Edwards 200633 | Non-comparative study (all patients underwent surgery) |
Espiritu 201135 | No relevant outcomes reported |
Falkheden 198036 | Non-comparative study (all patients underwent surgery) |
Fang 200837 | NRS – no multivariate analysis or adjustment for confounders |
Farnebo 198438 | Non-comparative study (all patients underwent surgery) |
Freaney 197839 | Non-comparative study (all patients underwent surgery) |
Ghose 198140 | Non-comparative before and after study |
Hagstrom 200641 | Non-comparative before and after study |
Hedback 199043 | Non-comparative retrospective study |
Hedback 199142 | Non-comparative retrospective study |
Horiuchi 200244 | Inappropriate intervention – 2-week administration only of oral etidronate. This bisphosphonate is no longer used. |
Jansson 200645 | Conference abstract |
Khosla 199946 | NRS – only reports the effect of surgery on fracture risk from a univariate model and not the adjusted HR for this factor from the MV model. |
Lafferty 198947 | Non-comparative study (all patients underwent surgery) |
Larsson 199348 | NRS with no adjustment for confounders |
Leong 201049 | Non-comparative study (all patients underwent surgery) |
McDow, 201852 | Review. Screened for relevant references. |
Melton 199253 | NRS – surgery effect on fracture risk only reported from a univariate model (risk adjusted for confounders not reported). |
Mole 199254 | NRS with no adjustment for confounders. Study also provides an analysis of 8 people who underwent surgery compared with 8 age-matched conservatively managed people (but other key confounders not matched). |
Morris 201055 | No relevant outcomes reported – for some outcomes results are only reported for the intervention group. Paper includes a statement that there was no morbidity or mortality but it is unclear if this refers to both the intervention and control group or just the control group. |
Nomura 200457 | NRS with no adjustment for confounders |
Nordenstrom 200458 | Non-comparative before and after study |
Oucharek 201159 | Non-comparative study (all patients underwent surgery) |
Paloyan 198360 | Non-comparative study (all patients underwent surgery) |
Perrier 200961 | No relevant outcomes |
Persson 201162 | Follow-up study of an included RCT but with no relevant outcomes |
Posen 198563 | NRS with no adjustment for confounders |
Rao 200365 | NRS with no adjustment for confounders |
Richmond 200766 | Non-comparative study |
Rolighed 201267 | Conference abstract |
Rubin 200868 | NRS with no adjustment for confounders |
Sankaran 201069 | A literature review not specified as systematic review and without quality assessment of the studies included |
Sanzenbacher 197070 | Inappropriate study design |
Saponaro 201371 | Incorrect interventions |
Schneider 201472 | Inappropriate comparison. Incorrect interventions. |
Scott Jr 198173 | Inappropriate study design |
Sejean 200574 | Incorrect study design – decision analysis |
Silverberg 199575 | Non-comparative study (all patients underwent surgery) |
Silverberg 199976 | NRS – study performed a multivariate analysis but factors included are unclear and no adjusted risk given for the effect of surgery on the outcome |
Singh Ospina 201677 | Systematic review screened for references |
Singh Ospina 201678 | Systematic review screened for relevant references |
Siperstein 199279 | Non-comparative study (all patients underwent surgery) |
Solorzano 200880 | Non-comparative retrospective case series |
Soreide 199781 | Non-comparative study (all patients underwent surgery) |
Strewler 199582 | Literature review with commentary and opinion |
Tay 201684 | NRS with multivariate analysis but no relevant outcomes |
Tisell 198385 | Inappropriate comparison. Inappropriate study design. |
Trombetti 201686 | NRS with no adjustment for confounders |
Vera 201489 | NRS with no adjustment for confounders |
Vestergaard 200391 | Overlap in recruitment of participants with an already included study (Vestergaard 2003) – larger study included in this review |
Wagner 200792 | Review |
Wermers 199893 | NRS with mulitvariate analysis but the effect of surgery on risk of death is not reported from the univariate or multivariate analysis |
Witteveen 201094 | Non-comparative study (all patients underwent surgery) |
Wu 201095 | Inappropriate comparison |
Yeh 201696 | NRS – adjusted relative risk for the effect of surgery on fracture risk not reported |
Yu 201097 | Inappropriate comparison |
Zhao 201498 | Conference abstract |