Table 2—

Study primary and secondary end points

ParametersGroupDifference in proportion or means95% CIp-value
Aspiration#Tube thoracostomy
Immediate success40 (62)49 (68)−0.065−0.225–0.0940.4
1-week success58 (89)63 (88)0.017−0.09–0.1240.7
Hospitalisation17 (26)72 (100)−0.738−0.845– −0.631<0.0001
Hospital stay days1.85±3.94±2.9−2.15−3.3– −0.9950.0003
3-month recurrence10 (15)6 (8)0.071−0.037–0.1780.2
1-yr recurrence16 (25)17 (24)0.01−0.133–0.1531
2-yr recurrence20 (31)18 (25)0.057−0.092–0.2080.5
Time of recurrence weeks12.1±6.114.7±6.9−2.6−4.8– −0.3890.02
Analgesia taken22 (34)40 (56)−0.217−0.379–0.0540.01
Analgesia requirement mg·24h−161.2±1465±21.7−3.8−10–2.440.2
Complications1 (2)5 (7)−0.054−0.119–0.0110.2
Inability to work days3.6±0.76.04±1.3−2.44−2.79– −2.08<0.0001
  • Data are presented as n (%) or mean±sd. CI: confidence interval. #: n = 65; : n = 72.