From: Are men difficult to find? Identifying male-specific studies in MEDLINE and Embase
 | Term | MEDLINE | Embase | ||||||
---|---|---|---|---|---|---|---|---|---|
Total results | NNR | Sensitivity (n= 48) | Precision | Total results | NNR | Sensitivity (n= 52) | Precision | ||
SO | Subject-only search | 31,897 | 665 | 100% (48) | 0.15% | 37351 | 718 | 100% | 0.14% |
S1 | [SO] NOT ((women NOT men) OR (female NOT male)).tw | 26,318 | 585 | 94% (45) | 0.17% | 30801 | 629 | 94% (49) | 0.16% |
S2 | [SO] NOT ((women OR female) NOT (men or male)).tw | 26,544 | 565 | 98% (47) | 0.18% | 31011 | 608 | 98% (51) | 0.16% |
S3 | [SO] AND (male or males or men).tw | 7,513 | 209 | 76% (36) | 0.48% | 8921 | 223 | 76% (40) | 0.45% |
S4 | [SO] NOT Female/ | 9,385 | 427 | 71% (22) | 0.23% | 14362 | 552 | 62% (26) | 0.18% |
S5 | [SO] AND Male/ | 18,599 | 423 | 42% (44) | 0.24% | 17848 | 388 | 52% (46) | 0.26% |
S6 | [SO] NOT (Female/NOT Male/) | 26,127 | 544 | 100% (48) | 0.18% | 31082 | 609 | 98% (51) | 0.16% |
S7 | [SO] AND Men/ | 6 | 6 | 2% (1) | 16.67% | N/A | N/A | N/A | N/A |
S8 | [SO] AND Men's health/ | 7 | N/A | 0% (0) | N/A | 16 | 8 | 4% (2) | 12.50% |