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Table 2 Perioperative conditions of the patients

From: Is single-port video-assisted thoracic surgery for mediastinal cystectomy feasible?

  Single-port (n = 23) Three-portal (n = 22) P
Operation times / min 45 (35–60) 55 (45–80) 0.013
Haemorrhage during surgery/ mL 36 (10–72) 50 (20–100) 0.819
Drainage over 24 h / mL 100 (37.5–225) 100 (100–200) 0.893
Retain time of Thoracic drainage tube /h 27 (24–48) 48 (48–70) < 0.001
Postoperative hospital stays / day 5 (4–6) 7 (5–7) 0.011
Case conversions to open 0 1 > 0.99
Second operations 1 0 > 0.99
Blood vessel injuries 0 1 > 0.99
Pleural adhesions 2 3 0.665
Duration of intensive care unit stays/h 30 (24–48) 36 (36–48) 0.117
Number of postoperative thoracenteses 2 0 0.489
Pain scores before extubation 2 (0–3.75) 2 (2–6) 0.180
Pain scores after extubation 0 (0–2) 0 (0–2) 0.488
Cases of painkiller 13 13 0.862
Surgeon experience (5–10 years: > 10 years) 11:12 6:16 0.155
Cost (ten thousand yuan/RMB) 2.0 (1.2–2.5) 2.5 (1.9–3.5) 0.032