Table 2 The diagnostic yield of thoracoscopy
First author [ref.]YearCases nDiagnostic yield %NSPFalse negative cases of NSP during follow-upFollow-up period
Boutin [12]19812159740 (19)19 (9)1 yr
Loddenkemper [13]19812509823 (9)NS
Page [14]198912591.515 (12)22 (18)NS
Menzies [15]19911029322 (21)>1 yr
Hucker [16]19911028021 (20)NSNS
Kendall [17]1992488324 (50)6 (25)>1 yr
Ohri [18]19925685.77 (12.5)1 (2)NS
Ferrer [19]199639486.553 (13.5)2 (5)>1 yr
Hansen [20]199814790.445 (31)12 (8)2 yrs
Blanc [21]200216893.357 (38.2)>1 yr
  • Data are presented as n (%), unless otherwise stated. NSP: nonspecific pleuritis; NS: not stated.