Table 5

Operating time analysis results (PPS)

IndexExperimental groupControl groupStatisticsP value
Operation time (min)
 Number of cases (number of missing)128 (0)129 (0)t=0.170.8646
 Mean±SD47.94±27.4948.5±25.68
 Median45.0045.00
 Q1, Q328.50, 60.5030.00, 64.00
 Min, max7.00, 173.005.00, 138.00
  • PPS, per-protocol set.