Table 6. Results for calprotectin level measurements using the ELISA fCAL^® method versus the QB^®sCAL method.

		Methods**
PE aetiology	N (%) *	ELISA fCAL®	QB®sCAL
BPE	160 (63.2)	14,170 (4,209.75–24,000)	17,900 (5,700–66,675)
MPE	93 (36.8)	1,942 (1,023–3,125)	5,000 (5,000–5,400)

PE = pleural effusion; BPE = benign pleural effusion; MPE = malignant pleural effusion.

*Data are presented as frequencies and percentages

**Data are presented as medians and interquartile ranges.