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Table 5 Comparison of Harris scores before, 3 months and 12 months after surgery between the two groups

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

Time

Group A (n = 59)

Group B (n = 80)

T

P

Before surgery

59.5 ± 11.6

57.7 ± 9.5

1.0046

0.3168

3 Months after surgery

85.1 ± 7.7

77.2 ± 8.3

5.7176

0.0000

12 Months after surgery

81.9 ± 10.2

76.4 ± 9.1

3.3451

0.0011

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

ISSN: 1749-799X