Skip to main content

Table 2 Comparison of study measures between hospitals

From: The impact of nurse staffing levels and nurse’s education on patient mortality in medical and surgical wards: an observational multicentre study

Hospital1234567totalp-value
Age59.95 (4.06)63.04 (5.64)57.80 (4.67)62.50 (4.02)57.15 (5.55)53.22 (5.34)62.05 (3.80)59.07 (5.89)0.002
CCI2.37 (0.68)1.27 (0.79)0.95 (0.47)1.78 (1.06)0.68 (0.52)2.01 (1.27)1.34 (0.86)1.51 (1.00)0.006
NHPPD3.65 (0.57)2.02 (0.29)2.75 (0.58)2.56 (0.14)2.23 (0.35)2.33 (0.27)2.40 (0.22)2.48 (0.59)< 0.001
Prop. bachelor nurse hours0.65 (0.05)0.58 (0.12)0.52 (0.15)0.59 (0.10)0.48 (0.16)0.72 (0.12)0.56 (0.09)0.59 (0.14)0.001
Nurse assistant HPPD0.15 (0.16)0.58 (0.17)0.10 (0.14)0.22 (0.19)0.38 (0.11)0.34 (0.16)0.22 (0.09)0.31 (0.21)< 0.001
Logistic support staff HPPD0.45 (0.11)0.10 (0.15)0.22 (0.17)0.13 (0.14)0.28 (0.13)0.49 (0.17)0.13 (0.05)0.26 (0.20< 0.001
Hospital LOS9.80 (1.89)7.03 (2.55)5.97 (1.94)6.44 (1.79)7.74 (3.24)7.68 (2.45)5.45 (1.55)7.24 (2.62)0.030
Bed occupancy27.88 (2.51)23.27 (2.74)25.73 (3.22)25.17 (2.17)23.53 (5.81)25.31 (2.11)27.37 (2.54)25.21 (3.74)0.100
  1. This table compares the means including standard deviations from study measures between hospitals
  2. P-values are calculated using a Kruskal Wallis test
  3. CCI Charlson Comorbidity Index, NHPPD Nursing Hours Per Patient Day, Prop. Proportion, HPPD Hours Per Patient Day, LOS Length of Stay