Table 1 Descriptive statistics of input, output and exploratory variables
Variable | 2014/15 | 2015/16 | 2016/17 |
|---|---|---|---|
Mean (SD) | Mean (SD) | Mean (SD) | |
Input variables | Â | Â | |
 Medical and dental personnel | 28.68 (28.67) | 22.34 (24.88) | 21.08 (24.53) |
 Nursing personnel | 407.29 (181.08) | 355.03 (164.58) | 346.47 (155.84) |
 Pharmacy personnel | 18.11 (9.47) | 18.42 (9.82) | 18.39 (8.62) |
 Allied personnel (therapists and Lab. scientists) | 22.87 (14.67) | 21.34 (13.43) | 21.11 (13.57) |
 Support and other services personnel | 271.32 (89.18) | 249.50 (84.02) | 239.66 (79.63) |
 Beds | 225.47 (87.50) | 225.45 (86.70) | 229.11 (114.47) |
Output variables | |||
 Inpatient days | 51 590.26 (24 416.75) | 49 485.89 (23 872.68) | 45 936.84 (22 734.31) |
 OPD head counts | 62 833.74 (37 418.35) | 60 340.39 (36 193.29) | 56 545.55 (35 366.38) |
 Theatre cases | 1430.11 (1389.51) | 1306.18 (1340.65) | 1265.63 (1279.71) |
 X-ray done | 12 284.74 (10 057.77) | 12 217.18 (9720.85) | 11 819.63 (9580.52) |
 Delivery by caesarean | 651.37 (437.75) | 643.50 (427.25) | 624.34 (400.50) |
 Regular delivery | 1690.97 (924.42) | 1599.00 (904.70) | 1560.79 (879.44) |
Explanatory variables | |||
 Catchment population | 126 987.42 (137 819.20) | 126 987.42 (137 819.20) | 237 610.68 (225 729.29) |
 Proportion of outpatient visits to doctor | 2651.30 (1293.31) | 3374.79 (1499.47) | 3417.53 (1431.48) |
 Proportion of inpatient treated to doctor | 2176.61 (877.77) | 2830.50 (1202.74) | 2902.37 (1305.37) |
 Bed to doctor ratio | 9.80 (4.07) | 13.39 (5.79) | 14.29 (5.83) |
 Proportion of outpatient visits to nurse | 170.16 (94.82) | 187.61 (103.53) | 178.20 (96.09) |
 Proportion of inpatient treated to nurse | 135.46 (56.62) | 150.41 (64.58) | 140.20 (51.35) |
 Beds to nurse ratio | 0.60 (0.20) | 0.70 (0.30) | 0.68 (0.22) |
 Average length of stay (days) | 5.95 (0.95) | 5.92 (0.95) | 5.65 (1.03) |
 Inpatient bed utilization rate (%) | 62.08 (11.78) | 58.88 (12.02) | 56.45 (12.75) |
 Proportion of outpatient visits to inpatient days | 1.33 (0.80) | 1.29 (0.61) | 1.26 (0.48) |
 Expenditure per patient day equivalent | 2933.64 (816.65) | 3268.68 (662.50) | 3969.92 (923.61) |
 OPD not referred | 13 000.13 (10 780.01) | 11 797.84 (10 035.66) | 11 449.34 (9098.31) |