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Table 1 Patient characteristics with perioperative data

From: Male adolescents with contralateral blebs undergoing surgery for primary spontaneous pneumothorax may benefit from simultaneous contralateral blebectomies

  B+cb (n = 32) U+cb (n = 40) U−cb (n = 60) p value
Age (mean ± SD) (y) 17.4 ± 1.0 17.0 ± 1.0 16.9 ± 1.3 0.190
Height (mean ± SD) (cm) 175.3 ± 5.5 174.4 ± 6.2 174 ± 5.6 0.612
Weight (mean ± SD) (kg) 57.6 ± 9 56.8 ± 7.8 57.3 ± 8 0.917
BMI (mean ± SD) (kg/m2) 18.7 ± 2.3 18.6 ± 2.1 18.9 ± 2.1 0.852
Smoking (yes), % (n) 19 (6) 8 (3) 10 (6) 0.296
Operative time (median with IQR) (min) 120 (110–120) 60 (50–65) 55 (50–65)  < 0.001
Blood loss (median with IQR) (ml) 25 (20–27.5) 10 (5–15) 10 (5–15) 0.835
Postoperative NRS pain score (median with IQR) 5.5 (5–6.5) 5 (4–5) 4 (3.5–5)  < 0.001
Postoperative hospital stays (median with IQR) (d) 6 (5–7) 4 (4–6) 5 (4–6) 0.255
Follow-up (median with IQR) (mo) 92 (74–121) 51 (14–109) 80 (55–111) 0.002
Complication (grade I and II), % (n) 13 (4) 15 (6) 13 (8) 0.949
Overall recurrence, % (n) 9 (3) 45 (18) 18.3 (11)  < 0.001
Contralateral recurrence, % (n) 0 (0) 30 (12) 1.6 (1)  < 0.001
Ipsilateral recurrence, % (n) 9 (3) 15 (6) 16.7 (10) 0.632
  1. SD standard deviation, BMI body mass index, IQR interquartile range, NRS numerical rating scale, B+cb those with contralateral blebs receiving one-stage bilateral surgeries, U+cb those with contralateral blebs only receiving unilateral surgery, Ucb those without contralateral blebs only receiving unilateral surgery. Data are presented as % (n)