Table 1 Required numbers of pass articles for different widths of 95% confidence intervals (Ws) for treatment, diagnosis, and prognosis categories
From: Sample size determination for bibliographic retrieval studies
Category | W (required number of pass articles) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Treatment | 0.01 (9871) | 0.02 (2468) | 0.03 (1097) | 0.04 (617) | 0.05 (395) | 0.06 (275) | 0.07 (201) | 0.08 (155) | 0.09 (122) | 0.10 (99) |
Diagnosis | 0.01 (35141) | 0.02 (8786) | 0.03 (3905) | 0.04 (2197) | 0.05 (1406) | 0.06 (977) | 0.07 (717) | 0.08 (550) | 0.09 (434) | 0.10 (352) |
Prognosis | 0.01 (38335) | 0.02 (9584) | 0.03 (4259) | 0.04 (2396) | 0.05 (1534) | 0.06 (1065) | 0.07 (782) | 0.08 (599) | 0.09 (473) | 0.10 (384) |
Category | W (required number of pass articles) | |||||||||
Treatment | 0.11 (82) | 0.12 (69) | 0.13 (58) | 0.14 (51) | 0.15 (44) | 0.16 (39) | 0.17 (34) | 0.18 (31) | 0.19 (27) | 0.20 (25) |
Diagnosis | 0.11 (290) | 0.12 (245) | 0.13 (208) | 0.14 (180) | 0.15 (156) | 0.16 (138) | 0.17 (122) | 0.18 (109) | 0.19 (97) | 0.20 (88) |
Prognosis | 0.11 (317) | 0.12 (267) | 0.13 (227) | 0.14 (196) | 0.15 (170) | 0.16 (150) | 0.17 (133) | 0.18 (119) | 0.19 (106) | 0.20 (96) |