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Table 2 Laparoscopic intra-corporeal knot tying scores at the evaluation points (T 1, T 2, and T 3) and learning curve parameters

From: A randomized control trial to evaluate the importance of pre-training basic laparoscopic psychomotor skills upon the learning curve of laparoscopic intra-corporeal knot tying

Score Groups
G1 G2 G3 G4 G5
T 1 600 (600–600) 600 (348–600) 600 (277–600) 600 (238–600) 600 (420 – 600)
T 2 425 (165–600)a# 289 (188–600)a# 213 (90–525)a 163 (82–294)a 156 (101 – 186)a
T 3 49 (40–57)a 55 (48–62)a 65 (53–80)a# 49 (38–59)a 47 (35 – 57)a
Y0 503.2 ± 23.3+ 459.9 ± 22.7 467.9 ± 27.1+ 381.7 ± 21.0 503.0 ± 10.9+
Y1 416.0 ± 15.1a#+o 402.4 ± 16.1a#+o 289.5 ± 16.8a# 342.3 ± 15.6# 196.6 ± 9.2a
Plateau 70.3 ± 7.6 70.3 ± 10.3 92.9 ± 5.5 63.7 ± 12.1 63.0 ± 2.0
K 0.22 ± 0.02#o 0.16 ± 0.02#o 0.65 ± 0.09# 0.13 ± 0.02#o 1.19 ± 0.07
  1. Scores T 1, T 2, and T 3 are presented as medians (interquartile range). Curve parameters (Y0, Y1, Plateau, and K) are presented as means ± SEM
  2. *Intragroup differences (p < .05): T 1 vs. T 0, T 2 vs. T 1, and Y 1 vs. Y 0
  3. oIntergroup differences (p < .05): vs. G3
  4. +Intergroup differences (p < .05): vs. G4
  5. #Intergroup differences (p < .05): vs. G5