Table 3.

FVC and FEV1 parameters

Parameters (time)	FVC (L)			FEV1 (L)
	PCPA (n=30)	IVPCA (n=30)	P-value	PCPA (n=30)	IVPCA (n=30)	P-value
Pre-operation	2.78±0.64	2.71±0.51	0.6412	2.12±0.66	2.07±0.52	0.7456
POD 1	1.27±0.44	1.22±0.16	0.5609	0.88±0.31	0.87±0.14	0.8726
POD 2	1.41±0.37	1.37±0.24	0.6212	1.05±0.27	1.01±0.17	0.4950
POD 3	1.68±0.54	1.65±0.35	0.7994	1.29±0.47	1.25±0.25	0.6822

Note: Results are presented as mean ± SD.

Abbreviations: PCPA, patient-controlled paravertebral analgesia; IVPCA, intravenous patient-controlled analgesia; POD, postoperative day.