Distribution of scoring scale and grading scale of surgical difficulty (sd) for laparoscopic chlecystectomy for acute cholecystitis reported from the literatures.

Table 4: Distribution of scoring scale and grading scale of surgical difficulty (sd) for laparoscopic chlecystectomy for acute cholecystitis reported from the literatures.

SD Grade

Authors, Country Method, year (ref)

Grade 1

easy

N (%)

Grade 2

mod.

N (%)

Grade 3

Difficulty

N (%)

Grade 4

very difficulty

N (%)

Grade 5

extremely Difficulty

N (%)

Griffiths EA, UK Nassar Scale, 1995 [14]

1359

(33.7%)

1260

(31.2%)

802

(19.9%)

614

(15.2%)^*

< 1%^*

Hanna GB, UK Cuschieri Scale, 1998 [15]

(40.0%)

(31.7%)

(28.3%)

Ahmend N, Parkistan Sugrue System, 2018 [13]

(20%)

(49.2%)

(25.8%)

(5%)

Madni TD, USA AAST System, 2018 [16]

(10.1%)

(33.0%)

(20.7%)

(19.1%)

Madni TD, USA Parkland Grading, 2019 [17]

(21.8%)

113

(35.6%)

(19.2%)

(13.9%)

(9.5%)

Present series, Taiwan Ker’s SD Grading Score

103

(50.5%)

(32.5%)

(17.5%)