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Table 3 Candidate filters: total number of results, NNR and sensitivity

From: Are men difficult to find? Identifying male-specific studies in MEDLINE and Embase

 

MEDLINE

Embase

Total results

NNR

Sensitivity (n= 48)

% reduction in results

Precision

Total results

NNR

Sensitivity (n= 52)

% reduction in results

Precision

SO

31897

665

100% (48)

 

0.15%

37351

718

100% (52)

 

0.14%

[SO] AND (S1 OR S5)1

24277

506

100% (48)

24%

0.20%

30046

578

100% (52)

20%

0.17%

[SO] AND (S1 OR S3 OR S5)2

24324

507

100% (48)

24%

0.20%

30089

579

100% (52)

19%

0.17%

[SO] AND (S3 OR S4 OR S5)

24207

504

100% (48)

24%

0.20%

32136

618

100% (52)

14%

0.16%

[SO] AND (S1 OR S3 OR S4 OR S5)

25874

539

100% (48)

19%

0.19%

30389

584

100% (52)

19%

0.17%

[SO] AND (S1 OR S2 OR S5)

25796

537

100% (48)

19%

0.19%

30076

578

100% (52)

19%

0.17%

[SO] AND (S1 OR S2 OR S3 OR S4)

25864

539

100% (48)

19%

0.19%

32352

622

100% (52)

13%

0.16%

[SO] AND (S1 OR S2 OR S4 OR S5)

25874

539

100% (48)

19%

0.19%

32409

623

100% (52)

13%

0.16%

[SO] AND (S1 OR S2 OR S3 OR S4 OR S5)

26028

542

100% (48)

18%

0.18%

33235

639

100% (52)

11%

0.16%

[SO] AND (S2 OR S3 OR S4 OR S5)

26028

542

100% (48)

18%

0.18%

33235

639

100% (52)

11%

0.16%

[SO] AND (S4 OR S5)

24137

503

100% (48)

24%

0.20%

31860

625

98% (51)

15%

0.16%

[SO] AND (S1 OR S2 OR S3 OR S5)

25806

549

98% (47)

19%

0.18%

31925

614

100% (52)

14%

0.16%

[SO] AND (S1 OR S2 OR S4)

24808

528

98% (47)

22%

0.19%

29432

577

98% (51)

21%

0.17%

[SO] AND (S3 OR S5)

20388

425

100% (48)

36%

0.24%

21367

427

96% (50)

43%

0.23%

[SO] AND (S1 OR S4)

23543

490

100% (48)

26%

0.20%

29233

585

96% (50)

22%

0.17%

[SO] AND (S1 OR S3)

23372

497

98% (47)

27%

0.20%

29226

573

98% (51)

22%

0.17%

[SO] AND (S1 OR S2 OR S3)

24820

528

98%(47)

22%

0.19%

29226

573

98% (51)

22%

0.17%

[SO] AND (S1 OR S2)

25241

537

98% (47)

21%

0.19%

31807

624

98% (51)

15%

0.16%

[SO] AND (S3 OR S4)

12389

326

79% (38)

61%

0.31%

20604

468

85% (44)

45%

0.21%

  1. 1 filter A.
  2. 2 filter B.