an increasing trendP < 0.0001
In terms of the severity of SCI, there was a decreasing trend over time for AIS grade A (P = 0.0036) and grade C (P < 0.0001), while an increasing trend was observed for grade D (P < 0.0001).
In terms of the severity of SCI, there was a decreasing trend over time for AIS grade A (P = 0.0036) and grade C (P < 0.0001), while an increasing trend was observed for grade D (P < 0.0001).
In terms of the severity of SCI, there was a decreasing trend over time for AIS grade A (P = 0.0036) and grade C (P < 0.0001), while an increasing trend was observed for grade D (P < 0.0001).