Hemoptysis from complex pulmonary aspergilloma treated by cavernostomy and thoracoplasty

BMC Surgery

Table 2 Pulmonary function before and after operation

Index		⁽¹⁾ Before operation	⁽²⁾ 6 months after operation	⁽³⁾ 24 months after operation	p-value (two times)
FEV1	Group 1 (n = 46)	1.43 ± 0.55	1.43 ± 0.52	1.42 ± 0.52	P_2–1 = 1.00 P_3–1 = 0.92
	Group 2 (n = 17)	1.36 ± 0.49	1.31 ± 0.42	1.34 ± 0.53	P_2–1 = 0.75 P_3–1 = 0.90
	p-value (two groups)	0.64	0.39	0.59
FVC	Group 1	2.10 ± 0.63	2.11 ± 0.64	2.07 ± 0.61	P_2–1 = 0.94 P_3–1 = 0.81
	Group 2	2.16 ± 0.566	2.16 ± 0.65	2.13 ± 0.60	P_2–1 = 1.00 P_3–1 = 0.88
	p-value (two groups)	0.73	0.78	0.72

The superscripted numbers "(1, 2 and 3)" related p-value abbreviation. The example is that P2-1: Comparing between before operation and 6 months after operation; P3-1: Comparing between before operation and 24 months after operation.

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