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Table 2 Clinical summary of included studies examining the diagnostic accuracy of the ratio of cholesterol in pleural fluid to cholesterol in serum

From: Can cholesterol be used to distinguish pleural exudates from transudates? evidence from a bivariate meta-analysis

Study (ref. no.) Year Sample size Cut-off TP FP FN TN
Exudates Transudates
Hamm H [16] 1987 31 31 0.3 29 2 2 29
Valdés L [17] 1991 188 65 0.3 174 8 14 57
Romero S [18] 1993 249 42 0.3 222 12 27 30
Burgess LJ [19] 1995 270 123 0.3 240 23 30 100
Gil Suay V [21] 1995 156 48 0.32 152 4 4 44
Garcia-Pachon E [22] 1996 118 35 0.3 109 1 9 34
Kalayci AG [23] 1996 40 20 0.3 38 2 2 18
Metintaş M [24] 1997 72 21 0.3 67 6 5 15
Romero S [26] 2000 182 61 0.3 171 11 11 50
Yilmaz A [27] 2000 150 105 0.3 143 11 7 94
Horvath LL [35] 2001 69 40 0.3 68 2 1 38
Alexandrakis MG [29] 2002 82 24 0.38 77 3 5 21
Guleria R [30] 2003 50 25 0.4 49 4 1 21
  1. Abbreviations: TP, no. of true positives; FP, no. of false positives; FN, no. of false negatives; NA, not applicable; TN, no. of true negatives.