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Table 2—

Quality of included studies

Study numberPTD definitionPTD surveillance (% escaped)Study quality indicators
Risk factor
Outcomes
Exposure ascertainmentReportingDefinitionAscertainmentBlindingReportingAdjustment
1. Rinaldi et al. (14) − − − − NA NA NA NA NA 
2. Cavaille-Coll and Elashoff (6) − − − NA NA NA NA NA 
3. Wahlstrom et al. (26) − − − NA NA NA NA NA 
4. Trail et al. (22) − − − 
5. Boudreaux et al. (8, 9) + (20) − − − − − − 
6. Isoniemi et al. (18,19) − − − NA NA NA NA NA 
7. KTSG (2–6) − − − NA NA NA NA NA 
8. Johnson et al. (7) − − NA NA NA NA NA 
9. Miller et al. (12,13) − − − NA NA NA NA NA 
10. Arner et al. (27) and Gunnavvsson et al. (28) − − − − − − 
11. Friedman et al. (25) − − − − − − 
12. von Kiparski et al. (21) − − − − − 
13. Ochiai et al. (20) NA NA NA NA NA NA NA 
14. Wu et al. (15) − − NA NA NA NA NA 
15. Sakhuja et al. (24) + (22) − NA NA NA NA NA 
16. Vesco et al. (10,11) − − − − − − 
17. Lanerolle et al. (16) + (28) − − − − − − 
18. Miles et al. (17) NA NA NA − − − − 
19. Fang et al. (23) + (42) NA NA NA NA NA NA NA 
Study numberPTD definitionPTD surveillance (% escaped)Study quality indicators
Risk factor
Outcomes
Exposure ascertainmentReportingDefinitionAscertainmentBlindingReportingAdjustment
1. Rinaldi et al. (14) − − − − NA NA NA NA NA 
2. Cavaille-Coll and Elashoff (6) − − − NA NA NA NA NA 
3. Wahlstrom et al. (26) − − − NA NA NA NA NA 
4. Trail et al. (22) − − − 
5. Boudreaux et al. (8, 9) + (20) − − − − − − 
6. Isoniemi et al. (18,19) − − − NA NA NA NA NA 
7. KTSG (2–6) − − − NA NA NA NA NA 
8. Johnson et al. (7) − − NA NA NA NA NA 
9. Miller et al. (12,13) − − − NA NA NA NA NA 
10. Arner et al. (27) and Gunnavvsson et al. (28) − − − − − − 
11. Friedman et al. (25) − − − − − − 
12. von Kiparski et al. (21) − − − − − 
13. Ochiai et al. (20) NA NA NA NA NA NA NA 
14. Wu et al. (15) − − NA NA NA NA NA 
15. Sakhuja et al. (24) + (22) − NA NA NA NA NA 
16. Vesco et al. (10,11) − − − − − − 
17. Lanerolle et al. (16) + (28) − − − − − − 
18. Miles et al. (17) NA NA NA − − − − 
19. Fang et al. (23) + (42) NA NA NA NA NA NA NA 

PTD definition, a specified glycemic threshold, use of glucose-lowering agents, or both were used to define diabetes; PTD surveillance, a protocol to detect diabetes was described (% escaped, proportion presenting with symptomatic or complicated PTD); risk factor exposure ascertainment, methods to determine risk factors were described and similarly applied to case subjects and control subjects; risk factor reporting, all factors evaluated (not just those that were significant) were reported; outcomes definition, diagnostic criteria for all outcomes assessed were described; outcomes ascertainment, methods to determine the outcomes were described and similarly applied to patients with and without PTD; outcomes blinding, outcomes were assessed by investigators blind to diabetes status; outcomes reporting, prognostic factors entering the model and the procedures for model selection were described; outcomes adjustment, prognostic estimates were adjusted for differences between those with and without PTD; +, study met our review’s methodological quality criterion; −, study did not meet our review’s methodological quality criterion; NA, not applicable; KTSG, FK506 Kidney Transplant Study Group.

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