a decreasing trendP = .243
In contrast, monthly expenditure of the basic medical insurance funds on inpatient services showed a decreasing trend (β 1 + β 13 = −42.6554, P = .243), while the monthly expenditure of the basic medical insurance funds on medical services exhibited an upward trend (β 1 + β 13 = 3.0967, P = .413), neither trend was statistically significant.