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Table 2 Comparison of surgery-related indexes

From: Intramedullary core decompression combined with endoscopic intracapsular decompression and debridement for pre-collapse non-traumatic osteonecrosis of the femoral head

Items

Group A (n = 59)

Group B (n = 80)

T

P

Surgical duration (min)

84.5 ± 15.8

52.6 ± 12.5

13.2850

0.0000

Intraoperative bleeding (mL)

128.4 ± 26.2

119.8 ± 31.7

1.6990

0.0916

Hospital stay time (d)

5.5 ± 1.7

5.8 ± 2.1

0.9008

0.3693

Hospitalisation expenses (CNY)

15,050.4 ± 1805.2

9890.9 ± 2156.8

14.9176

0.0000

  1. Bold idicates all P values with statistical differences
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X