Probit regression | No. of obs = 357 | Wald chi2(34) = 42.48 | |||||
---|---|---|---|---|---|---|---|
Log pseudo likelihood = − 138.506 | Prob > chi2 = 0.1509 | R2 = 0.1674 | |||||
Dependent variable = Frequency of cancelation (1 = Once, 0 = More than once) | dF/dx | Robust Std. Err. | Z | P > z | x-bar | [95% C.I.] | |
Waiting time | 0.019 | 0.009 | 2.1 | 0.036** | 3.630 | 0.002 | 0.036 |
Adult | 0.004 | 0.094 | 0.04 | 0.967 | 0.944 | −0.180 | 0.188 |
Morning session | 0.161 | 0.086 | 2.17 | 0.03** | 0.880 | −0.008 | 0.330 |
Male | 0.115 | 0.053 | 2.11 | 0.035** | 0.459 | 0.011 | 0.220 |
Riyadh Resident | −0.010 | 0.052 | −0.19 | 0.849 | 0.832 | −0.112 | 0.091 |
National | −0.168 | 0.028 | −3.19 | 0.001** | 0.902 | −0.223 | −0.113 |
Fasting | −0.293 | 0.198 | −1.74 | 0.081 | 0.204 | − 0.682 | 0.095 |
Summer | −0.163 | 0.169 | −1.1 | 0.27 | 0.235 | −0.494 | 0.168 |
Spring | −0.091 | 0.143 | −0.68 | 0.497 | 0.339 | −0.371 | 0.189 |
Fall/Autumn | −0.183 | 0.183 | −1.17 | 0.244 | 0.182 | −0.542 | 0.176 |
Single | 0.002 | 0.050 | 0.05 | 0.96 | 0.218 | −0.095 | 0.100 |
Divorced | −0.119 | 0.142 | −0.99 | 0.321 | 0.017 | −0.398 | 0.160 |
Widowed | −0.031 | 0.089 | −0.38 | 0.707 | 0.048 | −0.206 | 0.143 |
Unknown | −0.326 | 0.165 | −2.43 | 0.015** | 0.045 | −0.649 | −0.003 |
Surgical procedures (reference = hernia) | |||||||
Others | −0.049 | 0.066 | −0.72 | 0.472 | 0.557 | −0.178 | 0.081 |
ECCE IOL | −0.004 | 0.096 | −0.04 | 0.966 | 0.092 | − 0.192 | 0.184 |
Lap Cholecystetomy | −0.153 | 0.144 | −1.26 | 0.209 | 0.081 | −0.435 | 0.129 |
Phaco IOL | −0.174 | 0.120 | −1.7 | 0.089 | 0.120 | −0.410 | 0.062 |
Septoplasty | −0.167 | 0.198 | −1.03 | 0.302 | 0.034 | −0.555 | 0.221 |
Reasons for cancelation (reference = Unwell on day of surgery) | |||||||
Others | 0.010 | 0.053 | 0.18 | 0.857 | 0.235 | −0.093 | 0.113 |
Aspirin intake | 0.091 | 0.051 | 1.15 | 0.248 | 0.039 | −0.010 | 0.191 |
No O.R time | 0.139 | 0.030 | 2.37 | 0.018** | 0.126 | 0.080 | 0.199 |
Not indicated | 0.017 | 0.063 | 0.27 | 0.791 | 0.120 | −0.105 | 0.140 |
Patient refusal | 0.025 | 0.070 | 0.33 | 0.739 | 0.070 | −0.112 | 0.162 |
Scheduling issues | −0.341 | 0.181 | −2.29 | 0.022** | 0.028 | −0.696 | 0.015 |
Uncontrolled blood pressure | −0.071 | 0.088 | −0.91 | 0.365 | 0.098 | −0.242 | 0.101 |
Uncontrolled blood sugar | 0.024 | 0.061 | 0.37 | 0.709 | 0.084 | −0.095 | 0.143 |
Eligibility (reference = Saudi NGHA dependent | |||||||
Others | −0.415 | 0.179 | −2.7 | 0.007*** | 0.031 | −0.765 | −0.065 |
Saudi NGHA | −0.194 | 0.093 | −2.36 | 0.018** | 0.241 | −0.377 | −0.012 |
NGHA Employee | −0.483 | 0.233 | −2.31 | 0.021** | 0.028 | −0.939 | −0.027 |
NGHA Employee dependents | 0.041 | 0.094 | 0.38 | 0.701 | 0.034 | −0.143 | 0.226 |
Exceptions Saudi | −0.134 | 0.105 | −1.49 | 0.135 | 0.078 | −0.341 | 0.072 |
Exceptions 7 diseases | −0.350 | 0.283 | −1.51 | 0.132 | 0.036 | −0.905 | 0.205 |
Ineligible/out-of-pocket | −0.430 | 0.266 | −1.88 | 0.06** | 0.036 | −0.951 | 0.091 |