. 2018 Jun;10(6):3539–3547. doi: 10.21037/jtd.2018.05.126

Table 2. Postoperative antibiotic use, chest tube placement, and length of hospital stay ( $\bar{x} \pm s$ ).

Observation indicators	Bullectomy		Wedge resection		Segmentectomy		Lobectomy
Observation indicators	S	T	S	T	S	T	S	T
Antibiotic use (days)	1.4±2.2	3.3±1.6^a	1.2±0.9^b	3.8±1.7^ac	2.2±1.3^b	3.9±2.1^ac	3.1±1.4^b	4.1±1.6^ac
Chest tube placement (days)	2.3±1.2	3.4±1.6^a	1.3±0.8^b	3.5±1.4^ac	2.8±1.4^b	3.2±1.5^ac	2.6±1.2^b	3.6±1.9^ac
Length of hospital stay (days)	3.9±1.7	4.6±2.8^a	6.8±3.5	7.9±2.8^ac	6.9±2.7	9.4±3.6^ac	7.8±2.6	10.5±2.9^ac

Compared with S group of the same operation, ^aP<0.05; compared with S group of bulla resection, ^bP<0.05; compared with T group of bulla resection, ^cP<0.05.

Table 2. Postoperative antibiotic use, chest tube placement, and length of hospital stay (x¯±s).

Table 2. Postoperative antibiotic use, chest tube placement, and length of hospital stay ( $\bar{x} \pm s$ ).