Table 1 Clinical characteristics for the preintervention and intervention periods, by study group
Experimental group n = 14 units | Control group n = 15 units | |||
|---|---|---|---|---|
Preintervention period | Intervention period | Preintervention period | Intervention period | |
Patients (n) | 251 | 405 | 239 | 451 |
Mean age (SD), y | 72.62 (18.82) | 69.91 (18.58) | 70.68 (19.44) | 72.99 (18.18) |
Male, n (%) | 121 (48.21) | 204 (50.37) | 126 (52.72) | 205 (45.45) |
Nurses (n) | 31 | 57 | 33 | 57 |
Mean age (SD), y | 36.33 (10.12) | 32.26 (9.86) | 34.64 (9.88) | 32.09 (9.78) |
Male, n (%) | 3 (9.68) | 6 (10.53) | 3 (9.09) | 12 (21.05) |
Mean experience (SD), y | 8.96 (8.53) | 6.51 (7.07) | 6.53 (5.82) | 7.40 (8.01) |
Mean number of patients per administration round (SD) | 9.68 (3.96) | 8.40 (3.19) | 13.13 (9.34) | 11.10 (8.59) |
Total number of OEa per administration round (n) | 1235 | 2653 | 1211 | 3373 |
Morning round, n (%) | 582 (47.13) | 1456 (54.88) | 532 (43.93) | 1963 (58.20) |
Lunch round, n (%) | 209 (16.92) | 436 (16.43) | 242 (19.98) | 417 (12.36) |
Evening round, n (%) | 444 (35.95) | 761 (28.68) | 437 (36.09) | 993 (29.44) |
Total number of OEa per type of unit, n (%) | ||||
Surgical unit, n (%) | 179 (14.49) | 609 (22.96) | 236 (19.49) | 582 (17.25) |
Medical unit, n (%) | 1001 (81.05) | 1934 (72.90) | 906 (74.81) | 2706 (80.23) |
Critical care unit, n (%) | 55 (4.45) | 110 (4.15) | 69 (5.70) | 85 (2.52) |
Total number of OEa according to unit exposition, n (%) | ||||
Area exposed to interruption, n (%) | 1175 (95.14) | 2163 (81.53) | 1003 (82.82) | 2705 (80.20) |
Area not exposed to interruption, n (%) | 60 (4.86) | 490 (18.47) | 208 (17.18) | 668 (19.80) |