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Table 2 Comparison of surgical outcomes between the two groups

From: Efficacy and safety of double endoscopy combined with exploration in the treatment of elderly patients with cholecystolithiasis complicated with choledocholithiasis

Variables

The elderly group(n = 63)

The young and middle -aged group(n = 51)

χ²/t

P value

Surgical time(min)

153.9 ± 74.4

162.5 ± 59.6

-0.668

0.506

Intraoperative blood loss (ml)

43.3 ± 50.6

38.4 ± 38.6

0.561

0.576

Conversion to laparotomy (%)

1(1.6%)

0(0%)

-

1.0

  1. Note: patients in the elderly group were ≥ 60 years old and those in the young and middle-aged group were < 60 years old