.nsqip-calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
max-width: 700px;
margin: 20px auto;
padding: 25px;
border: 1px solid #e0e0e0;
border-radius: 10px;
background-color: #f9f9f9;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.nsqip-calculator-container h2 {
color: #2c3e50;
text-align: center;
margin-bottom: 25px;
font-size: 1.8em;
border-bottom: 2px solid #3498db;
padding-bottom: 10px;
}
.nsqip-calculator-container .input-group {
margin-bottom: 18px;
display: flex;
flex-direction: column;
}
.nsqip-calculator-container label {
display: block;
margin-bottom: 8px;
color: #34495e;
font-weight: bold;
font-size: 0.95em;
}
.nsqip-calculator-container input[type="number"],
.nsqip-calculator-container select {
width: calc(100% – 20px);
padding: 12px;
border: 1px solid #ccc;
border-radius: 6px;
font-size: 1em;
box-sizing: border-box;
transition: border-color 0.3s ease;
}
.nsqip-calculator-container input[type="number"]:focus,
.nsqip-calculator-container select:focus {
border-color: #3498db;
outline: none;
box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
}
.nsqip-calculator-container .checkbox-group {
display: flex;
align-items: center;
margin-top: 5px;
}
.nsqip-calculator-container .checkbox-group input[type="checkbox"] {
margin-right: 10px;
width: 20px;
height: 20px;
accent-color: #3498db;
}
.nsqip-calculator-container .checkbox-group label {
margin-bottom: 0;
font-weight: normal;
}
.nsqip-calculator-container button {
background-color: #3498db;
color: white;
padding: 14px 25px;
border: none;
border-radius: 6px;
cursor: pointer;
font-size: 1.1em;
font-weight: bold;
width: 100%;
margin-top: 25px;
transition: background-color 0.3s ease, transform 0.2s ease;
}
.nsqip-calculator-container button:hover {
background-color: #2980b9;
transform: translateY(-2px);
}
.nsqip-calculator-container #nsqipResult {
margin-top: 30px;
padding: 20px;
border: 1px solid #dcdcdc;
border-radius: 8px;
background-color: #eaf4fb;
text-align: center;
font-size: 1.15em;
color: #2c3e50;
line-height: 1.6;
box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}
.nsqip-calculator-container #nsqipResult strong {
color: #e74c3c;
font-size: 1.3em;
}
.nsqip-calculator-container .disclaimer {
font-size: 0.85em;
color: #7f8c8d;
margin-top: 20px;
text-align: center;
padding-top: 15px;
border-top: 1px dashed #ccc;
}
NSQIP Surgical Risk Calculator
ASA 1 – Normal healthy patient
ASA 2 – Patient with mild systemic disease
ASA 3 – Patient with severe systemic disease
ASA 4 – Patient with severe systemic disease that is a constant threat to life
ASA 5 – Moribund patient who is not expected to survive without the operation
Clean
Clean-Contaminated
Contaminated
Dirty/Infected
Independent (no assistance)
Partially Dependent (requires some assistance)
Totally Dependent (requires total assistance)
Disclaimer: This calculator is for illustrative purposes only and provides a simplified estimation of surgical risk based on common NSQIP-like factors. It is NOT a substitute for professional medical advice, clinical judgment, or actual NSQIP risk models. Always consult with a qualified healthcare professional for medical decisions.
function calculateNsqipRisk() {
var age = parseFloat(document.getElementById("patientAge").value);
var asaClass = parseInt(document.getElementById("asaClass").value);
var emergencyCase = document.getElementById("emergencyCase").checked;
var woundClass = document.getElementById("woundClass").value;
var functionalStatus = document.getElementById("functionalStatus").value;
var hasDiabetes = document.getElementById("hasDiabetes").checked;
var bmi = parseFloat(document.getElementById("patientBMI").value);
var resultDiv = document.getElementById("nsqipResult");
resultDiv.innerHTML = ""; // Clear previous results
// Input validation
if (isNaN(age) || age 120) {
resultDiv.innerHTML = "Please enter a valid age (0-120 years).";
return;
}
if (isNaN(bmi) || bmi 70) {
resultDiv.innerHTML = "Please enter a valid BMI (10-70 kg/m²).";
return;
}
var totalRiskPoints = 0;
// Age points
if (age >= 85) {
totalRiskPoints += 7;
} else if (age >= 75) {
totalRiskPoints += 4;
} else if (age >= 65) {
totalRiskPoints += 2;
}
// ASA Class points
switch (asaClass) {
case 2: totalRiskPoints += 1; break;
case 3: totalRiskPoints += 3; break;
case 4: totalRiskPoints += 6; break;
case 5: totalRiskPoints += 10; break;
}
// Emergency Case points
if (emergencyCase) {
totalRiskPoints += 5;
}
// Wound Classification points
switch (woundClass) {
case "Clean-Contaminated": totalRiskPoints += 1; break;
case "Contaminated": totalRiskPoints += 3; break;
case "Dirty": totalRiskPoints += 6; break;
}
// Functional Status points
switch (functionalStatus) {
case "Partially Dependent": totalRiskPoints += 2; break;
case "Totally Dependent": totalRiskPoints += 5; break;
}
// Diabetes points
if (hasDiabetes) {
totalRiskPoints += 3;
}
// BMI points
if (bmi >= 40) {
totalRiskPoints += 7;
} else if (bmi >= 35) {
totalRiskPoints += 4;
} else if (bmi >= 30) {
totalRiskPoints += 2;
} else if (bmi >= 25) {
totalRiskPoints += 1;
}
var riskCategory = "";
var riskPercentageRange = "";
if (totalRiskPoints <= 5) {
riskCategory = "Low Risk";
riskPercentageRange = "< 5%";
} else if (totalRiskPoints <= 15) {
riskCategory = "Moderate Risk";
riskPercentageRange = "5% – 15%";
} else if (totalRiskPoints 30%";
}
resultDiv.innerHTML =
"Total Risk Score: " + totalRiskPoints + " points" +
"Predicted Complication Risk Category: " + riskCategory + "" +
"Estimated Complication Likelihood: " + riskPercentageRange + "";
}
Understanding NSQIP Surgical Risk
The National Surgical Quality Improvement Program (NSQIP) is a nationally validated, risk-adjusted, outcomes-based program designed to measure and improve the quality of surgical care. NSQIP collects detailed clinical data on surgical patients, including preoperative risk factors, intraoperative variables, and 30-day postoperative outcomes.
Why is Surgical Risk Assessment Important?
Assessing surgical risk is crucial for several reasons:
- Patient Counseling: It helps surgeons provide patients with a realistic understanding of potential complications, aiding in informed consent.
- Treatment Planning: Risk assessment can guide decisions on surgical approach, timing, and whether non-surgical alternatives might be more appropriate.
- Resource Allocation: Identifying high-risk patients allows healthcare teams to allocate additional resources, such as closer monitoring or specialized care, to improve outcomes.
- Quality Improvement: By tracking risk-adjusted outcomes, hospitals can identify areas for improvement in surgical processes and patient management.
Factors Influencing Surgical Risk (as used in this calculator):
While actual NSQIP models use a vast array of variables and complex statistical methods, this illustrative calculator focuses on several key factors commonly associated with surgical risk:
- Patient Age: Older patients generally have a higher risk of complications due to age-related physiological changes and increased comorbidities.
- ASA Physical Status Classification: The American Society of Anesthesiologists (ASA) classification system assesses a patient's overall health status, ranging from ASA 1 (healthy) to ASA 5 (moribund). Higher ASA classes indicate greater systemic disease and higher surgical risk.
- Emergency Case: Emergency surgeries often carry higher risks than elective procedures due to the patient's acute condition, lack of optimal preoperative preparation, and time constraints.
- Wound Classification: The cleanliness of the surgical field (e.g., Clean, Clean-Contaminated, Contaminated, Dirty) directly correlates with the risk of surgical site infection (SSI).
- Functional Status: A patient's ability to perform daily activities independently is a strong indicator of their overall resilience and ability to recover from surgery. Dependent patients often have poorer outcomes.
- Diabetes: Patients with diabetes are at increased risk for various postoperative complications, including infections, cardiovascular events, and delayed wound healing.
- Patient BMI (Body Mass Index): Obesity (high BMI) is associated with increased risks of surgical site infections, cardiovascular complications, respiratory issues, and technical challenges during surgery.
How This Calculator Works (Simplified):
This calculator assigns "risk points" to each selected factor based on its general association with increased surgical risk. The total sum of these points is then used to categorize the patient's overall predicted complication risk into broad categories (Low, Moderate, Elevated, High). This is a simplified model for educational purposes and does not replicate the precise algorithms or predictive power of official NSQIP calculators.