Table 1. Interrupted time series analysis results showing incidence rate ratios (IRR) and relative risk (RR)for COVID-19 intervention, time and trend alongside 95% confidence intervals.
Total deliveries | Live births | Caesarean sections rate | Admissions > 5 Medical | ||||||||||
Ownership | IRR | 95%CI | P-value | IRR | 95%CI | P-value | RR | 95%CI | P-value | IRR* | 95%CI* | P-value* | |
Public | COVID-19 | 0.89 | (0.79–1.02) | 0.08 | 0.89 | (0.80–0.99) | 0.04 | 1.10 | (1.06–1.14) | <0.01 | 0.71 | (0.63–0.79) | <0.01 |
Time | 1.00 | (0.99–1.01) | 0.67 | 1.00 | (0.99–1.01) | 0.42 | 1.01 | (1.00–1.01) | <0.01 | 1.00 | (0.99–1.00) | 0.57 | |
Trend | 0.99 | (0.97–1.00) | 0.11 | 0.99 | (0.97–1.00) | 0.07 | 1.00 | 0.99–1.00) | 0.14 | 1.01 | (0.99–1.03) | 0.10 | |
Private | COVID-19 | 0.91 | (0.81–1.03) | 0.13 | 0.91 | (0.81–1.03) | 0.12 | 1.03 | (0.98–1.09) | 0.25 | 0.66 | (0.60–0.72) | <0.01 |
Time | 1.00 | (0.99–1.01) | 0.06 | 1.00 | (0.99–1.01) | 0.03 | 1.00 | (1.00–1.01) | 0.02 | 1.00 | (1.00–1.01) | 0.01 | |
Trend | 1.03 | (1.01–1.04) | <0.01 | 1.03 | (1.01–1.04) | <0.01 | 0.99 | (0.98–0.99) | 0.01 | 1.03 | (1.01–1.04) | <0.01 | |
Admissions < 5 Paediatrics | Admissions > 5 Surgical | NBU Admissions rate | |||||||||||
Ownership | IRR * | 95%CI * | P-value * | IRR* | 95%CI * | P-value * | RR | 95%CI | P-value | ||||
Public | COVID-19 | 0.41 | (0.38–0.45) | <0.01 | 0.75 | (0.64–0.87) | <0.01 | 0.92 | (0.83–1.01) | 0.09 | |||
Time | 1.00 | (1.00–1.01) | <0.01 | 1.00 | (0.99–1.00) | 0.46 | 1.00 | (1.00–1.01) | 0.02 | ||||
Trend | 1.04 | (1.03–1.05) | <0.01 | 1.01 | (0.99–1.03) | 0.19 | 1.01 | (1.00–1.02) | 0.04 | ||||
Private | COVID-19 | 0.38 | (0.33–0.45) | <0.01 | 0.72 | (0.64–0.81) | <0.01 | 0.87 | (0.72–1.04) | 0.13 | |||
Time | 1.00 | (0.99–1.01) | 0.38 | 1.00 | (0.99–1.00) | 0.82 | 1.00 | (0.99–1.01) | 0.21 | ||||
Trend | 1.07 | (1.05–1.08) | <0.01 | 1.02 | (1.01–1.04) | <0.01 | 0.99 | (0.97–1.02) | 0.48 |
*Estimates from ARMA models. The ARMA (p,q) parameters for admissions in medical, surgical and paediatrics are (2,0), (1,0) and (2,0) respectively.